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Theorem axcontlem10 25853

Description: Lemma for axcont 25856. Given a handful of assumptions, derive the conclusion of the final theorem. (Contributed by Scott Fenton, 20-Jun-2013.)

**Hypotheses**
Ref	Expression
axcontlem10.1	⊢ 𝐷 = {𝑝 ∈ (𝔼‘𝑁) ∣ (𝑈 Btwn ⟨𝑍, 𝑝⟩ ∨ 𝑝 Btwn ⟨𝑍, 𝑈⟩)}
axcontlem10.2	⊢ 𝐹 = {⟨𝑥, 𝑡⟩ ∣ (𝑥 ∈ 𝐷 ∧ (𝑡 ∈ (0[,)+∞) ∧ ∀𝑖 ∈ (1...𝑁)(𝑥‘𝑖) = (((1 − 𝑡) · (𝑍‘𝑖)) + (𝑡 · (𝑈‘𝑖)))))}

**Assertion**
Ref	Expression
axcontlem10	⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → ∃𝑏 ∈ (𝔼‘𝑁)∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑏 Btwn ⟨𝑥, 𝑦⟩)

Distinct variable groups: 𝐴,𝑏,𝑝,𝑥 𝐵,𝑏,𝑝,𝑥,𝑦 𝐷,𝑝,𝑡,𝑥 𝐹,𝑏 𝑖,𝐹,𝑝,𝑡,𝑥 𝑦,𝐹 𝑁,𝑏 𝑖,𝑁,𝑝,𝑡,𝑥 𝑦,𝑁 𝑈,𝑏 𝑈,𝑖,𝑝,𝑡,𝑥 𝑦,𝑈 𝑍,𝑏 𝑖,𝑍,𝑝,𝑡,𝑥 𝑦,𝑍 Allowed substitution hints: 𝐴(𝑦,𝑡,𝑖) 𝐵(𝑡,𝑖) 𝐷(𝑦,𝑖,𝑏)

Proof of Theorem axcontlem10 Dummy variables 𝑘 𝑚 𝑛 𝑞 𝑟 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		imassrn 5477	. . . . 5 ⊢ (𝐹 “ 𝐴) ⊆ ran 𝐹
2		simpll 790	. . . . . . 7 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝑁 ∈ ℕ)
3		simprl1 1106	. . . . . . 7 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝑍 ∈ (𝔼‘𝑁))
4		simplr1 1103	. . . . . . . 8 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝐴 ⊆ (𝔼‘𝑁))
5		simprl2 1107	. . . . . . . 8 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝑈 ∈ 𝐴)
6	4, 5	sseldd 3604	. . . . . . 7 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝑈 ∈ (𝔼‘𝑁))
7		simprr 796	. . . . . . 7 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝑍 ≠ 𝑈)
8		axcontlem10.1	. . . . . . . 8 ⊢ 𝐷 = {𝑝 ∈ (𝔼‘𝑁) ∣ (𝑈 Btwn ⟨𝑍, 𝑝⟩ ∨ 𝑝 Btwn ⟨𝑍, 𝑈⟩)}
9		axcontlem10.2	. . . . . . . 8 ⊢ 𝐹 = {⟨𝑥, 𝑡⟩ ∣ (𝑥 ∈ 𝐷 ∧ (𝑡 ∈ (0[,)+∞) ∧ ∀𝑖 ∈ (1...𝑁)(𝑥‘𝑖) = (((1 − 𝑡) · (𝑍‘𝑖)) + (𝑡 · (𝑈‘𝑖)))))}
10	8, 9	axcontlem2 25845	. . . . . . 7 ⊢ (((𝑁 ∈ ℕ ∧ 𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ (𝔼‘𝑁)) ∧ 𝑍 ≠ 𝑈) → 𝐹:𝐷–1-1-onto→(0[,)+∞))
11	2, 3, 6, 7, 10	syl31anc 1329	. . . . . 6 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝐹:𝐷–1-1-onto→(0[,)+∞))
12		f1ofo 6144	. . . . . 6 ⊢ (𝐹:𝐷–1-1-onto→(0[,)+∞) → 𝐹:𝐷–onto→(0[,)+∞))
13		forn 6118	. . . . . 6 ⊢ (𝐹:𝐷–onto→(0[,)+∞) → ran 𝐹 = (0[,)+∞))
14	11, 12, 13	3syl 18	. . . . 5 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → ran 𝐹 = (0[,)+∞))
15	1, 14	syl5sseq 3653	. . . 4 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (𝐹 “ 𝐴) ⊆ (0[,)+∞))
16		rge0ssre 12280	. . . 4 ⊢ (0[,)+∞) ⊆ ℝ
17	15, 16	syl6ss 3615	. . 3 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (𝐹 “ 𝐴) ⊆ ℝ)
18		imassrn 5477	. . . . 5 ⊢ (𝐹 “ 𝐵) ⊆ ran 𝐹
19	18, 14	syl5sseq 3653	. . . 4 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (𝐹 “ 𝐵) ⊆ (0[,)+∞))
20	19, 16	syl6ss 3615	. . 3 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (𝐹 “ 𝐵) ⊆ ℝ)
21	8, 9	axcontlem9 25852	. . 3 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)𝑚 ≤ 𝑛)
22		dedekindle 10201	. . 3 ⊢ (((𝐹 “ 𝐴) ⊆ ℝ ∧ (𝐹 “ 𝐵) ⊆ ℝ ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)𝑚 ≤ 𝑛) → ∃𝑘 ∈ ℝ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛))
23	17, 20, 21, 22	syl3anc 1326	. 2 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → ∃𝑘 ∈ ℝ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛))
24		simpr 477	. . . . . . . 8 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ 𝑘 ∈ ℝ) → 𝑘 ∈ ℝ)
25		simprl3 1108	. . . . . . . . . . 11 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝐵 ≠ ∅)
26	25	ad2antrr 762	. . . . . . . . . 10 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ 𝑘 ∈ ℝ) → 𝐵 ≠ ∅)
27		n0 3931	. . . . . . . . . 10 ⊢ (𝐵 ≠ ∅ ↔ ∃𝑏 𝑏 ∈ 𝐵)
28	26, 27	sylib 208	. . . . . . . . 9 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ 𝑘 ∈ ℝ) → ∃𝑏 𝑏 ∈ 𝐵)
29		0red 10041	. . . . . . . . . . . 12 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ (𝑘 ∈ ℝ ∧ 𝑏 ∈ 𝐵)) → 0 ∈ ℝ)
30		f1of 6137	. . . . . . . . . . . . . . . 16 ⊢ (𝐹:𝐷–1-1-onto→(0[,)+∞) → 𝐹:𝐷⟶(0[,)+∞))
31	11, 30	syl 17	. . . . . . . . . . . . . . 15 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝐹:𝐷⟶(0[,)+∞))
32	8	axcontlem4 25847	. . . . . . . . . . . . . . . 16 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝐴 ⊆ 𝐷)
33	32, 5	sseldd 3604	. . . . . . . . . . . . . . 15 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝑈 ∈ 𝐷)
34	31, 33	ffvelrnd 6360	. . . . . . . . . . . . . 14 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (𝐹‘𝑈) ∈ (0[,)+∞))
35	16, 34	sseldi 3601	. . . . . . . . . . . . 13 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (𝐹‘𝑈) ∈ ℝ)
36	35	ad2antrr 762	. . . . . . . . . . . 12 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ (𝑘 ∈ ℝ ∧ 𝑏 ∈ 𝐵)) → (𝐹‘𝑈) ∈ ℝ)
37		simprl 794	. . . . . . . . . . . 12 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ (𝑘 ∈ ℝ ∧ 𝑏 ∈ 𝐵)) → 𝑘 ∈ ℝ)
38		elrege0 12278	. . . . . . . . . . . . . . 15 ⊢ ((𝐹‘𝑈) ∈ (0[,)+∞) ↔ ((𝐹‘𝑈) ∈ ℝ ∧ 0 ≤ (𝐹‘𝑈)))
39	38	simprbi 480	. . . . . . . . . . . . . 14 ⊢ ((𝐹‘𝑈) ∈ (0[,)+∞) → 0 ≤ (𝐹‘𝑈))
40	34, 39	syl 17	. . . . . . . . . . . . 13 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 0 ≤ (𝐹‘𝑈))
41	40	ad2antrr 762	. . . . . . . . . . . 12 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ (𝑘 ∈ ℝ ∧ 𝑏 ∈ 𝐵)) → 0 ≤ (𝐹‘𝑈))
42		f1of1 6136	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝐹:𝐷–1-1-onto→(0[,)+∞) → 𝐹:𝐷–1-1→(0[,)+∞))
43	11, 42	syl 17	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝐹:𝐷–1-1→(0[,)+∞))
44		f1elima 6520	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝐹:𝐷–1-1→(0[,)+∞) ∧ 𝑈 ∈ 𝐷 ∧ 𝐴 ⊆ 𝐷) → ((𝐹‘𝑈) ∈ (𝐹 “ 𝐴) ↔ 𝑈 ∈ 𝐴))
45	43, 33, 32, 44	syl3anc 1326	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → ((𝐹‘𝑈) ∈ (𝐹 “ 𝐴) ↔ 𝑈 ∈ 𝐴))
46	5, 45	mpbird 247	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (𝐹‘𝑈) ∈ (𝐹 “ 𝐴))
47	46	adantr 481	. . . . . . . . . . . . . . . 16 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (𝑘 ∈ ℝ ∧ 𝑏 ∈ 𝐵)) → (𝐹‘𝑈) ∈ (𝐹 “ 𝐴))
48		simpr 477	. . . . . . . . . . . . . . . . . 18 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ 𝑏 ∈ 𝐵) → 𝑏 ∈ 𝐵)
49	43	adantr 481	. . . . . . . . . . . . . . . . . . 19 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ 𝑏 ∈ 𝐵) → 𝐹:𝐷–1-1→(0[,)+∞))
50		simpl1 1064	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈) → 𝑍 ∈ (𝔼‘𝑁))
51		simpl2 1065	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈) → 𝑈 ∈ 𝐴)
52		simpr 477	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈) → 𝑍 ≠ 𝑈)
53	50, 51, 52	3jca 1242	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈) → (𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝑍 ≠ 𝑈))
54	8	axcontlem3 25846	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ (𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝑍 ≠ 𝑈)) → 𝐵 ⊆ 𝐷)
55	53, 54	sylan2 491	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝐵 ⊆ 𝐷)
56	55	sselda 3603	. . . . . . . . . . . . . . . . . . 19 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ 𝑏 ∈ 𝐵) → 𝑏 ∈ 𝐷)
57	55	adantr 481	. . . . . . . . . . . . . . . . . . 19 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ 𝑏 ∈ 𝐵) → 𝐵 ⊆ 𝐷)
58		f1elima 6520	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝐹:𝐷–1-1→(0[,)+∞) ∧ 𝑏 ∈ 𝐷 ∧ 𝐵 ⊆ 𝐷) → ((𝐹‘𝑏) ∈ (𝐹 “ 𝐵) ↔ 𝑏 ∈ 𝐵))
59	49, 56, 57, 58	syl3anc 1326	. . . . . . . . . . . . . . . . . 18 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ 𝑏 ∈ 𝐵) → ((𝐹‘𝑏) ∈ (𝐹 “ 𝐵) ↔ 𝑏 ∈ 𝐵))
60	48, 59	mpbird 247	. . . . . . . . . . . . . . . . 17 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ 𝑏 ∈ 𝐵) → (𝐹‘𝑏) ∈ (𝐹 “ 𝐵))
61	60	adantrl 752	. . . . . . . . . . . . . . . 16 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (𝑘 ∈ ℝ ∧ 𝑏 ∈ 𝐵)) → (𝐹‘𝑏) ∈ (𝐹 “ 𝐵))
62	47, 61	jca 554	. . . . . . . . . . . . . . 15 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (𝑘 ∈ ℝ ∧ 𝑏 ∈ 𝐵)) → ((𝐹‘𝑈) ∈ (𝐹 “ 𝐴) ∧ (𝐹‘𝑏) ∈ (𝐹 “ 𝐵)))
63		breq1 4656	. . . . . . . . . . . . . . . . 17 ⊢ (𝑚 = (𝐹‘𝑈) → (𝑚 ≤ 𝑘 ↔ (𝐹‘𝑈) ≤ 𝑘))
64	63	anbi1d 741	. . . . . . . . . . . . . . . 16 ⊢ (𝑚 = (𝐹‘𝑈) → ((𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ↔ ((𝐹‘𝑈) ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)))
65		breq2 4657	. . . . . . . . . . . . . . . . 17 ⊢ (𝑛 = (𝐹‘𝑏) → (𝑘 ≤ 𝑛 ↔ 𝑘 ≤ (𝐹‘𝑏)))
66	65	anbi2d 740	. . . . . . . . . . . . . . . 16 ⊢ (𝑛 = (𝐹‘𝑏) → (((𝐹‘𝑈) ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ↔ ((𝐹‘𝑈) ≤ 𝑘 ∧ 𝑘 ≤ (𝐹‘𝑏))))
67	64, 66	rspc2va 3323	. . . . . . . . . . . . . . 15 ⊢ ((((𝐹‘𝑈) ∈ (𝐹 “ 𝐴) ∧ (𝐹‘𝑏) ∈ (𝐹 “ 𝐵)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) → ((𝐹‘𝑈) ≤ 𝑘 ∧ 𝑘 ≤ (𝐹‘𝑏)))
68	62, 67	sylan 488	. . . . . . . . . . . . . 14 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (𝑘 ∈ ℝ ∧ 𝑏 ∈ 𝐵)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) → ((𝐹‘𝑈) ≤ 𝑘 ∧ 𝑘 ≤ (𝐹‘𝑏)))
69	68	an32s 846	. . . . . . . . . . . . 13 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ (𝑘 ∈ ℝ ∧ 𝑏 ∈ 𝐵)) → ((𝐹‘𝑈) ≤ 𝑘 ∧ 𝑘 ≤ (𝐹‘𝑏)))
70	69	simpld 475	. . . . . . . . . . . 12 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ (𝑘 ∈ ℝ ∧ 𝑏 ∈ 𝐵)) → (𝐹‘𝑈) ≤ 𝑘)
71	29, 36, 37, 41, 70	letrd 10194	. . . . . . . . . . 11 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ (𝑘 ∈ ℝ ∧ 𝑏 ∈ 𝐵)) → 0 ≤ 𝑘)
72	71	expr 643	. . . . . . . . . 10 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ 𝑘 ∈ ℝ) → (𝑏 ∈ 𝐵 → 0 ≤ 𝑘))
73	72	exlimdv 1861	. . . . . . . . 9 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ 𝑘 ∈ ℝ) → (∃𝑏 𝑏 ∈ 𝐵 → 0 ≤ 𝑘))
74	28, 73	mpd 15	. . . . . . . 8 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ 𝑘 ∈ ℝ) → 0 ≤ 𝑘)
75		elrege0 12278	. . . . . . . 8 ⊢ (𝑘 ∈ (0[,)+∞) ↔ (𝑘 ∈ ℝ ∧ 0 ≤ 𝑘))
76	24, 74, 75	sylanbrc 698	. . . . . . 7 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) ∧ 𝑘 ∈ ℝ) → 𝑘 ∈ (0[,)+∞))
77	76	ex 450	. . . . . 6 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) → (𝑘 ∈ ℝ → 𝑘 ∈ (0[,)+∞)))
78		ssrab2 3687	. . . . . . . . . 10 ⊢ {𝑝 ∈ (𝔼‘𝑁) ∣ (𝑈 Btwn ⟨𝑍, 𝑝⟩ ∨ 𝑝 Btwn ⟨𝑍, 𝑈⟩)} ⊆ (𝔼‘𝑁)
79	8, 78	eqsstri 3635	. . . . . . . . 9 ⊢ 𝐷 ⊆ (𝔼‘𝑁)
80		simpr 477	. . . . . . . . . 10 ⊢ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) → 𝑘 ∈ (0[,)+∞))
81		f1ocnvdm 6540	. . . . . . . . . 10 ⊢ ((𝐹:𝐷–1-1-onto→(0[,)+∞) ∧ 𝑘 ∈ (0[,)+∞)) → (^◡𝐹‘𝑘) ∈ 𝐷)
82	11, 80, 81	syl2an 494	. . . . . . . . 9 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞))) → (^◡𝐹‘𝑘) ∈ 𝐷)
83	79, 82	sseldi 3601	. . . . . . . 8 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞))) → (^◡𝐹‘𝑘) ∈ (𝔼‘𝑁))
84	2, 3, 6	3jca 1242	. . . . . . . . . . . . . . 15 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (𝑁 ∈ ℕ ∧ 𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ (𝔼‘𝑁)))
85	84, 7	jca 554	. . . . . . . . . . . . . 14 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → ((𝑁 ∈ ℕ ∧ 𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ (𝔼‘𝑁)) ∧ 𝑍 ≠ 𝑈))
86	85	adantr 481	. . . . . . . . . . . . 13 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → ((𝑁 ∈ ℕ ∧ 𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ (𝔼‘𝑁)) ∧ 𝑍 ≠ 𝑈))
87	32	sselda 3603	. . . . . . . . . . . . . . . 16 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ 𝑞 ∈ 𝐴) → 𝑞 ∈ 𝐷)
88	87	adantrr 753	. . . . . . . . . . . . . . 15 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵)) → 𝑞 ∈ 𝐷)
89	88	adantrl 752	. . . . . . . . . . . . . 14 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → 𝑞 ∈ 𝐷)
90		simplr 792	. . . . . . . . . . . . . . 15 ⊢ (((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵)) → 𝑘 ∈ (0[,)+∞))
91	11, 90, 81	syl2an 494	. . . . . . . . . . . . . 14 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → (^◡𝐹‘𝑘) ∈ 𝐷)
92	55	sselda 3603	. . . . . . . . . . . . . . . 16 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ 𝑟 ∈ 𝐵) → 𝑟 ∈ 𝐷)
93	92	adantrl 752	. . . . . . . . . . . . . . 15 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵)) → 𝑟 ∈ 𝐷)
94	93	adantrl 752	. . . . . . . . . . . . . 14 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → 𝑟 ∈ 𝐷)
95	89, 91, 94	3jca 1242	. . . . . . . . . . . . 13 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → (𝑞 ∈ 𝐷 ∧ (^◡𝐹‘𝑘) ∈ 𝐷 ∧ 𝑟 ∈ 𝐷))
96	86, 95	jca 554	. . . . . . . . . . . 12 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → (((𝑁 ∈ ℕ ∧ 𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ (𝔼‘𝑁)) ∧ 𝑍 ≠ 𝑈) ∧ (𝑞 ∈ 𝐷 ∧ (^◡𝐹‘𝑘) ∈ 𝐷 ∧ 𝑟 ∈ 𝐷)))
97		f1ofun 6139	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝐹:𝐷–1-1-onto→(0[,)+∞) → Fun 𝐹)
98	11, 97	syl 17	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → Fun 𝐹)
99		fdm 6051	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝐹:𝐷⟶(0[,)+∞) → dom 𝐹 = 𝐷)
100	11, 30, 99	3syl 18	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → dom 𝐹 = 𝐷)
101	32, 100	sseqtr4d 3642	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝐴 ⊆ dom 𝐹)
102		funfvima2 6493	. . . . . . . . . . . . . . . . . 18 ⊢ ((Fun 𝐹 ∧ 𝐴 ⊆ dom 𝐹) → (𝑞 ∈ 𝐴 → (𝐹‘𝑞) ∈ (𝐹 “ 𝐴)))
103	98, 101, 102	syl2anc 693	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (𝑞 ∈ 𝐴 → (𝐹‘𝑞) ∈ (𝐹 “ 𝐴)))
104	55, 100	sseqtr4d 3642	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → 𝐵 ⊆ dom 𝐹)
105		funfvima2 6493	. . . . . . . . . . . . . . . . . 18 ⊢ ((Fun 𝐹 ∧ 𝐵 ⊆ dom 𝐹) → (𝑟 ∈ 𝐵 → (𝐹‘𝑟) ∈ (𝐹 “ 𝐵)))
106	98, 104, 105	syl2anc 693	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (𝑟 ∈ 𝐵 → (𝐹‘𝑟) ∈ (𝐹 “ 𝐵)))
107	103, 106	anim12d 586	. . . . . . . . . . . . . . . 16 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → ((𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵) → ((𝐹‘𝑞) ∈ (𝐹 “ 𝐴) ∧ (𝐹‘𝑟) ∈ (𝐹 “ 𝐵))))
108	107	imp 445	. . . . . . . . . . . . . . 15 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵)) → ((𝐹‘𝑞) ∈ (𝐹 “ 𝐴) ∧ (𝐹‘𝑟) ∈ (𝐹 “ 𝐵)))
109	108	adantrl 752	. . . . . . . . . . . . . 14 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → ((𝐹‘𝑞) ∈ (𝐹 “ 𝐴) ∧ (𝐹‘𝑟) ∈ (𝐹 “ 𝐵)))
110		simprll 802	. . . . . . . . . . . . . 14 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛))
111		breq1 4656	. . . . . . . . . . . . . . . 16 ⊢ (𝑚 = (𝐹‘𝑞) → (𝑚 ≤ 𝑘 ↔ (𝐹‘𝑞) ≤ 𝑘))
112	111	anbi1d 741	. . . . . . . . . . . . . . 15 ⊢ (𝑚 = (𝐹‘𝑞) → ((𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ↔ ((𝐹‘𝑞) ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)))
113		breq2 4657	. . . . . . . . . . . . . . . 16 ⊢ (𝑛 = (𝐹‘𝑟) → (𝑘 ≤ 𝑛 ↔ 𝑘 ≤ (𝐹‘𝑟)))
114	113	anbi2d 740	. . . . . . . . . . . . . . 15 ⊢ (𝑛 = (𝐹‘𝑟) → (((𝐹‘𝑞) ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ↔ ((𝐹‘𝑞) ≤ 𝑘 ∧ 𝑘 ≤ (𝐹‘𝑟))))
115	112, 114	rspc2v 3322	. . . . . . . . . . . . . 14 ⊢ (((𝐹‘𝑞) ∈ (𝐹 “ 𝐴) ∧ (𝐹‘𝑟) ∈ (𝐹 “ 𝐵)) → (∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) → ((𝐹‘𝑞) ≤ 𝑘 ∧ 𝑘 ≤ (𝐹‘𝑟))))
116	109, 110, 115	sylc 65	. . . . . . . . . . . . 13 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → ((𝐹‘𝑞) ≤ 𝑘 ∧ 𝑘 ≤ (𝐹‘𝑟)))
117		f1ocnvfv2 6533	. . . . . . . . . . . . . . . 16 ⊢ ((𝐹:𝐷–1-1-onto→(0[,)+∞) ∧ 𝑘 ∈ (0[,)+∞)) → (𝐹‘(^◡𝐹‘𝑘)) = 𝑘)
118	11, 90, 117	syl2an 494	. . . . . . . . . . . . . . 15 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → (𝐹‘(^◡𝐹‘𝑘)) = 𝑘)
119	118	breq2d 4665	. . . . . . . . . . . . . 14 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → ((𝐹‘𝑞) ≤ (𝐹‘(^◡𝐹‘𝑘)) ↔ (𝐹‘𝑞) ≤ 𝑘))
120	118	breq1d 4663	. . . . . . . . . . . . . 14 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → ((𝐹‘(^◡𝐹‘𝑘)) ≤ (𝐹‘𝑟) ↔ 𝑘 ≤ (𝐹‘𝑟)))
121	119, 120	anbi12d 747	. . . . . . . . . . . . 13 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → (((𝐹‘𝑞) ≤ (𝐹‘(^◡𝐹‘𝑘)) ∧ (𝐹‘(^◡𝐹‘𝑘)) ≤ (𝐹‘𝑟)) ↔ ((𝐹‘𝑞) ≤ 𝑘 ∧ 𝑘 ≤ (𝐹‘𝑟))))
122	116, 121	mpbird 247	. . . . . . . . . . . 12 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → ((𝐹‘𝑞) ≤ (𝐹‘(^◡𝐹‘𝑘)) ∧ (𝐹‘(^◡𝐹‘𝑘)) ≤ (𝐹‘𝑟)))
123	8, 9	axcontlem8 25851	. . . . . . . . . . . 12 ⊢ ((((𝑁 ∈ ℕ ∧ 𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ (𝔼‘𝑁)) ∧ 𝑍 ≠ 𝑈) ∧ (𝑞 ∈ 𝐷 ∧ (^◡𝐹‘𝑘) ∈ 𝐷 ∧ 𝑟 ∈ 𝐷)) → (((𝐹‘𝑞) ≤ (𝐹‘(^◡𝐹‘𝑘)) ∧ (𝐹‘(^◡𝐹‘𝑘)) ≤ (𝐹‘𝑟)) → (^◡𝐹‘𝑘) Btwn ⟨𝑞, 𝑟⟩))
124	96, 122, 123	sylc 65	. . . . . . . . . . 11 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ((∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞)) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵))) → (^◡𝐹‘𝑘) Btwn ⟨𝑞, 𝑟⟩)
125	124	anassrs 680	. . . . . . . . . 10 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞))) ∧ (𝑞 ∈ 𝐴 ∧ 𝑟 ∈ 𝐵)) → (^◡𝐹‘𝑘) Btwn ⟨𝑞, 𝑟⟩)
126	125	ralrimivva 2971	. . . . . . . . 9 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞))) → ∀𝑞 ∈ 𝐴 ∀𝑟 ∈ 𝐵 (^◡𝐹‘𝑘) Btwn ⟨𝑞, 𝑟⟩)
127		opeq1 4402	. . . . . . . . . . 11 ⊢ (𝑞 = 𝑥 → ⟨𝑞, 𝑟⟩ = ⟨𝑥, 𝑟⟩)
128	127	breq2d 4665	. . . . . . . . . 10 ⊢ (𝑞 = 𝑥 → ((^◡𝐹‘𝑘) Btwn ⟨𝑞, 𝑟⟩ ↔ (^◡𝐹‘𝑘) Btwn ⟨𝑥, 𝑟⟩))
129		opeq2 4403	. . . . . . . . . . 11 ⊢ (𝑟 = 𝑦 → ⟨𝑥, 𝑟⟩ = ⟨𝑥, 𝑦⟩)
130	129	breq2d 4665	. . . . . . . . . 10 ⊢ (𝑟 = 𝑦 → ((^◡𝐹‘𝑘) Btwn ⟨𝑥, 𝑟⟩ ↔ (^◡𝐹‘𝑘) Btwn ⟨𝑥, 𝑦⟩))
131	128, 130	cbvral2v 3179	. . . . . . . . 9 ⊢ (∀𝑞 ∈ 𝐴 ∀𝑟 ∈ 𝐵 (^◡𝐹‘𝑘) Btwn ⟨𝑞, 𝑟⟩ ↔ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 (^◡𝐹‘𝑘) Btwn ⟨𝑥, 𝑦⟩)
132	126, 131	sylib 208	. . . . . . . 8 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞))) → ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 (^◡𝐹‘𝑘) Btwn ⟨𝑥, 𝑦⟩)
133		breq1 4656	. . . . . . . . . 10 ⊢ (𝑏 = (^◡𝐹‘𝑘) → (𝑏 Btwn ⟨𝑥, 𝑦⟩ ↔ (^◡𝐹‘𝑘) Btwn ⟨𝑥, 𝑦⟩))
134	133	2ralbidv 2989	. . . . . . . . 9 ⊢ (𝑏 = (^◡𝐹‘𝑘) → (∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑏 Btwn ⟨𝑥, 𝑦⟩ ↔ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 (^◡𝐹‘𝑘) Btwn ⟨𝑥, 𝑦⟩))
135	134	rspcev 3309	. . . . . . . 8 ⊢ (((^◡𝐹‘𝑘) ∈ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 (^◡𝐹‘𝑘) Btwn ⟨𝑥, 𝑦⟩) → ∃𝑏 ∈ (𝔼‘𝑁)∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑏 Btwn ⟨𝑥, 𝑦⟩)
136	83, 132, 135	syl2anc 693	. . . . . . 7 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ (∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) ∧ 𝑘 ∈ (0[,)+∞))) → ∃𝑏 ∈ (𝔼‘𝑁)∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑏 Btwn ⟨𝑥, 𝑦⟩)
137	136	expr 643	. . . . . 6 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) → (𝑘 ∈ (0[,)+∞) → ∃𝑏 ∈ (𝔼‘𝑁)∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑏 Btwn ⟨𝑥, 𝑦⟩))
138	77, 137	syld 47	. . . . 5 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) ∧ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛)) → (𝑘 ∈ ℝ → ∃𝑏 ∈ (𝔼‘𝑁)∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑏 Btwn ⟨𝑥, 𝑦⟩))
139	138	ex 450	. . . 4 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) → (𝑘 ∈ ℝ → ∃𝑏 ∈ (𝔼‘𝑁)∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑏 Btwn ⟨𝑥, 𝑦⟩)))
140	139	com23 86	. . 3 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (𝑘 ∈ ℝ → (∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) → ∃𝑏 ∈ (𝔼‘𝑁)∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑏 Btwn ⟨𝑥, 𝑦⟩)))
141	140	rexlimdv 3030	. 2 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → (∃𝑘 ∈ ℝ ∀𝑚 ∈ (𝐹 “ 𝐴)∀𝑛 ∈ (𝐹 “ 𝐵)(𝑚 ≤ 𝑘 ∧ 𝑘 ≤ 𝑛) → ∃𝑏 ∈ (𝔼‘𝑁)∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑏 Btwn ⟨𝑥, 𝑦⟩))
142	23, 141	mpd 15	1 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ⊆ (𝔼‘𝑁) ∧ 𝐵 ⊆ (𝔼‘𝑁) ∧ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑥 Btwn ⟨𝑍, 𝑦⟩)) ∧ ((𝑍 ∈ (𝔼‘𝑁) ∧ 𝑈 ∈ 𝐴 ∧ 𝐵 ≠ ∅) ∧ 𝑍 ≠ 𝑈)) → ∃𝑏 ∈ (𝔼‘𝑁)∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝑏 Btwn ⟨𝑥, 𝑦⟩)

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 196 ∨ wo 383 ∧ wa 384 ∧ w3a 1037 = wceq 1483 ∃wex 1704 ∈ wcel 1990 ≠ wne 2794 ∀wral 2912 ∃wrex 2913 {crab 2916 ⊆ wss 3574 ∅c0 3915 ⟨cop 4183 class class class wbr 4653 {copab 4712 ^◡ccnv 5113 dom cdm 5114 ran crn 5115 “ cima 5117 Fun wfun 5882 ⟶wf 5884 –1-1→wf1 5885 –onto→wfo 5886 –1-1-onto→wf1o 5887 ‘cfv 5888 (class class class)co 6650 ℝcr 9935 0cc0 9936 1c1 9937 + caddc 9939 · cmul 9941 +∞cpnf 10071 ≤ cle 10075 − cmin 10266 ℕcn 11020 [,)cico 12177 ...cfz 12326 𝔼cee 25768 Btwn cbtwn 25769

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-cnex 9992 ax-resscn 9993 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-addrcl 9997 ax-mulcl 9998 ax-mulrcl 9999 ax-mulcom 10000 ax-addass 10001 ax-mulass 10002 ax-distr 10003 ax-i2m1 10004 ax-1ne0 10005 ax-1rid 10006 ax-rnegex 10007 ax-rrecex 10008 ax-cnre 10009 ax-pre-lttri 10010 ax-pre-lttrn 10011 ax-pre-ltadd 10012 ax-pre-mulgt0 10013 ax-pre-sup 10014

This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-nel 2898 df-ral 2917 df-rex 2918 df-reu 2919 df-rmo 2920 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-we 5075 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-pred 5680 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-riota 6611 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-om 7066 df-1st 7168 df-2nd 7169 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-er 7742 df-map 7859 df-en 7956 df-dom 7957 df-sdom 7958 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 df-sub 10268 df-neg 10269 df-div 10685 df-nn 11021 df-z 11378 df-uz 11688 df-ico 12181 df-icc 12182 df-fz 12327 df-ee 25771 df-btwn 25772

This theorem is referenced by: axcontlem11 25854

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