Theorem noetalem2 31864

Description: Lemma for noeta 31868. 𝑍 is an upper bound for 𝐴. Part of Theorem 5.1 of [Lipparini] p. 7-8. (Contributed by Scott Fenton, 4-Dec-2021.)

Hypotheses

Ref	Expression
noetalem.1	⊢ 𝑆 = if(∃𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐴 ¬ 𝑥 <s 𝑦, ((℩𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐴 ¬ 𝑥 <s 𝑦) ∪ {⟨dom (℩𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐴 ¬ 𝑥 <s 𝑦), 2𝑜⟩}), (𝑔 ∈ {𝑦 ∣ ∃𝑢 ∈ 𝐴 (𝑦 ∈ dom 𝑢 ∧ ∀𝑣 ∈ 𝐴 (¬ 𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑦) = (𝑣 ↾ suc 𝑦)))} ↦ (℩𝑥∃𝑢 ∈ 𝐴 (𝑔 ∈ dom 𝑢 ∧ ∀𝑣 ∈ 𝐴 (¬ 𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑔) = (𝑣 ↾ suc 𝑔)) ∧ (𝑢‘𝑔) = 𝑥))))
noetalem.2	⊢ 𝑍 = (𝑆 ∪ ((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1𝑜}))

Assertion

Ref	Expression
noetalem2	⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → 𝑋 <s 𝑍)

Distinct variable groups:   𝐴,𝑔,𝑢,𝑣,𝑥,𝑦   𝑢,𝑋,𝑣,𝑥,𝑦

Allowed substitution hints:   𝐵(𝑥,𝑦,𝑣,𝑢,𝑔)   𝑆(𝑥,𝑦,𝑣,𝑢,𝑔)   𝑋(𝑔)   𝑍(𝑥,𝑦,𝑣,𝑢,𝑔)

Proof of Theorem noetalem2

Step	Hyp	Ref	Expression
1		simpl1 1064	. . . 4 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → 𝐴 ⊆ No )
2		simpl2 1065	. . . 4 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → 𝐴 ∈ V)
3		simpr 477	. . . 4 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → 𝑋 ∈ 𝐴)
4		noetalem.1	. . . . 5 ⊢ 𝑆 = if(∃𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐴 ¬ 𝑥 <s 𝑦, ((℩𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐴 ¬ 𝑥 <s 𝑦) ∪ {⟨dom (℩𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐴 ¬ 𝑥 <s 𝑦), 2𝑜⟩}), (𝑔 ∈ {𝑦 ∣ ∃𝑢 ∈ 𝐴 (𝑦 ∈ dom 𝑢 ∧ ∀𝑣 ∈ 𝐴 (¬ 𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑦) = (𝑣 ↾ suc 𝑦)))} ↦ (℩𝑥∃𝑢 ∈ 𝐴 (𝑔 ∈ dom 𝑢 ∧ ∀𝑣 ∈ 𝐴 (¬ 𝑣 <s 𝑢 → (𝑢 ↾ suc 𝑔) = (𝑣 ↾ suc 𝑔)) ∧ (𝑢‘𝑔) = 𝑥))))
5	4	nosupbnd1 31860	. . . 4 ⊢ ((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝑋 ∈ 𝐴) → (𝑋 ↾ dom 𝑆) <s 𝑆)
6	1, 2, 3, 5	syl3anc 1326	. . 3 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → (𝑋 ↾ dom 𝑆) <s 𝑆)
7		noetalem.2	. . . . . 6 ⊢ 𝑍 = (𝑆 ∪ ((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1𝑜}))
8	7	reseq1i 5392	. . . . 5 ⊢ (𝑍 ↾ dom 𝑆) = ((𝑆 ∪ ((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1𝑜})) ↾ dom 𝑆)
9		resundir 5411	. . . . . 6 ⊢ ((𝑆 ∪ ((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1𝑜})) ↾ dom 𝑆) = ((𝑆 ↾ dom 𝑆) ∪ (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1𝑜}) ↾ dom 𝑆))
10		df-res 5126	. . . . . . . 8 ⊢ (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1𝑜}) ↾ dom 𝑆) = (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1𝑜}) ∩ (dom 𝑆 × V))
11		incom 3805	. . . . . . . . . 10 ⊢ ((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) ∩ dom 𝑆) = (dom 𝑆 ∩ (suc ∪ ( bday “ 𝐵) ∖ dom 𝑆))
12		disjdif 4040	. . . . . . . . . 10 ⊢ (dom 𝑆 ∩ (suc ∪ ( bday “ 𝐵) ∖ dom 𝑆)) = ∅
13	11, 12	eqtri 2644	. . . . . . . . 9 ⊢ ((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) ∩ dom 𝑆) = ∅
14		xpdisj1 5555	. . . . . . . . 9 ⊢ (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) ∩ dom 𝑆) = ∅ → (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1𝑜}) ∩ (dom 𝑆 × V)) = ∅)
15	13, 14	ax-mp 5	. . . . . . . 8 ⊢ (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1𝑜}) ∩ (dom 𝑆 × V)) = ∅
16	10, 15	eqtri 2644	. . . . . . 7 ⊢ (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1𝑜}) ↾ dom 𝑆) = ∅
17	16	uneq2i 3764	. . . . . 6 ⊢ ((𝑆 ↾ dom 𝑆) ∪ (((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1𝑜}) ↾ dom 𝑆)) = ((𝑆 ↾ dom 𝑆) ∪ ∅)
18		un0 3967	. . . . . 6 ⊢ ((𝑆 ↾ dom 𝑆) ∪ ∅) = (𝑆 ↾ dom 𝑆)
19	9, 17, 18	3eqtri 2648	. . . . 5 ⊢ ((𝑆 ∪ ((suc ∪ ( bday “ 𝐵) ∖ dom 𝑆) × {1𝑜})) ↾ dom 𝑆) = (𝑆 ↾ dom 𝑆)
20	8, 19	eqtri 2644	. . . 4 ⊢ (𝑍 ↾ dom 𝑆) = (𝑆 ↾ dom 𝑆)
21	4	nosupno 31849	. . . . . . 7 ⊢ ((𝐴 ⊆ No ∧ 𝐴 ∈ V) → 𝑆 ∈ No )
22	1, 2, 21	syl2anc 693	. . . . . 6 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → 𝑆 ∈ No )
23		nofun 31802	. . . . . 6 ⊢ (𝑆 ∈ No → Fun 𝑆)
24	22, 23	syl 17	. . . . 5 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → Fun 𝑆)
25		funrel 5905	. . . . 5 ⊢ (Fun 𝑆 → Rel 𝑆)
26		resdm 5441	. . . . 5 ⊢ (Rel 𝑆 → (𝑆 ↾ dom 𝑆) = 𝑆)
27	24, 25, 26	3syl 18	. . . 4 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → (𝑆 ↾ dom 𝑆) = 𝑆)
28	20, 27	syl5eq 2668	. . 3 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → (𝑍 ↾ dom 𝑆) = 𝑆)
29	6, 28	breqtrrd 4681	. 2 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → (𝑋 ↾ dom 𝑆) <s (𝑍 ↾ dom 𝑆))
30		simp1 1061	. . . 4 ⊢ ((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) → 𝐴 ⊆ No )
31	30	sselda 3603	. . 3 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → 𝑋 ∈ No )
32	4, 7	noetalem1 31863	. . . 4 ⊢ ((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) → 𝑍 ∈ No )
33	32	adantr 481	. . 3 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → 𝑍 ∈ No )
34		nodmon 31803	. . . 4 ⊢ (𝑆 ∈ No → dom 𝑆 ∈ On)
35	22, 34	syl 17	. . 3 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → dom 𝑆 ∈ On)
36		sltres 31815	. . 3 ⊢ ((𝑋 ∈ No ∧ 𝑍 ∈ No ∧ dom 𝑆 ∈ On) → ((𝑋 ↾ dom 𝑆) <s (𝑍 ↾ dom 𝑆) → 𝑋 <s 𝑍))
37	31, 33, 35, 36	syl3anc 1326	. 2 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → ((𝑋 ↾ dom 𝑆) <s (𝑍 ↾ dom 𝑆) → 𝑋 <s 𝑍))
38	29, 37	mpd 15	1 ⊢ (((𝐴 ⊆ No ∧ 𝐴 ∈ V ∧ 𝐵 ∈ V) ∧ 𝑋 ∈ 𝐴) → 𝑋 <s 𝑍)

Syntax hints:  ¬ wn 3   → wi 4   ∧ wa 384   ∧ w3a 1037   = wceq 1483   ∈ wcel 1990  {cab 2608  ∀wral 2912  ∃wrex 2913  Vcvv 3200   ∖ cdif 3571   ∪ cun 3572   ∩ cin 3573   ⊆ wss 3574  ∅c0 3915  ifcif 4086  {csn 4177  ⟨cop 4183  ∪ cuni 4436   class class class wbr 4653   ↦ cmpt 4729   × cxp 5112  dom cdm 5114   ↾ cres 5116   “ cima 5117  Rel wrel 5119  Oncon0 5723  suc csuc 5725  ℩cio 5849  Fun wfun 5882  ‘cfv 5888  ℩crio 6610  1_𝑜c1o 7553  2_𝑜c2o 7554   No csur 31793   <s cslt 31794   bday cbday 31795

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-rep 4771  ax-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906  ax-un 6949

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-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-int 4476  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-ord 5726  df-on 5727  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-1o 7560  df-2o 7561  df-no 31796  df-slt 31797  df-bday 31798

This theorem is referenced by:  noetalem5  31867