Theorem atnlt 34600

Description: Two atoms cannot satisfy the less than relation. (Contributed by NM, 7-Feb-2012.)

Hypotheses

Ref	Expression
atnlt.s	⊢ < = (lt‘𝐾)
atnlt.a	⊢ 𝐴 = (Atoms‘𝐾)

Assertion

Ref	Expression
atnlt	⊢ ((𝐾 ∈ AtLat ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → ¬ 𝑃 < 𝑄)

Proof of Theorem atnlt

Step	Hyp	Ref	Expression
1		atnlt.s	. . . . 5 ⊢ < = (lt‘𝐾)
2	1	pltirr 16963	. . . 4 ⊢ ((𝐾 ∈ AtLat ∧ 𝑃 ∈ 𝐴) → ¬ 𝑃 < 𝑃)
3	2	3adant3 1081	. . 3 ⊢ ((𝐾 ∈ AtLat ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → ¬ 𝑃 < 𝑃)
4		breq2 4657	. . . 4 ⊢ (𝑃 = 𝑄 → (𝑃 < 𝑃 ↔ 𝑃 < 𝑄))
5	4	notbid 308	. . 3 ⊢ (𝑃 = 𝑄 → (¬ 𝑃 < 𝑃 ↔ ¬ 𝑃 < 𝑄))
6	3, 5	syl5ibcom 235	. 2 ⊢ ((𝐾 ∈ AtLat ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → (𝑃 = 𝑄 → ¬ 𝑃 < 𝑄))
7		eqid 2622	. . . . 5 ⊢ (le‘𝐾) = (le‘𝐾)
8	7, 1	pltle 16961	. . . 4 ⊢ ((𝐾 ∈ AtLat ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → (𝑃 < 𝑄 → 𝑃(le‘𝐾)𝑄))
9		atnlt.a	. . . . 5 ⊢ 𝐴 = (Atoms‘𝐾)
10	7, 9	atcmp 34598	. . . 4 ⊢ ((𝐾 ∈ AtLat ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → (𝑃(le‘𝐾)𝑄 ↔ 𝑃 = 𝑄))
11	8, 10	sylibd 229	. . 3 ⊢ ((𝐾 ∈ AtLat ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → (𝑃 < 𝑄 → 𝑃 = 𝑄))
12	11	necon3ad 2807	. 2 ⊢ ((𝐾 ∈ AtLat ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → (𝑃 ≠ 𝑄 → ¬ 𝑃 < 𝑄))
13	6, 12	pm2.61dne 2880	1 ⊢ ((𝐾 ∈ AtLat ∧ 𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴) → ¬ 𝑃 < 𝑄)

Syntax hints:  ¬ wn 3   → wi 4   ∧ w3a 1037   = wceq 1483   ∈ wcel 1990   class class class wbr 4653  ‘cfv 5888  lecple 15948  ltcplt 16941  Atomscatm 34550  AtLatcal 34551

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-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-rab 2921  df-v 3202  df-sbc 3436  df-csb 3534  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-nul 3916  df-if 4087  df-pw 4160  df-sn 4178  df-pr 4180  df-op 4184  df-uni 4437  df-iun 4522  df-br 4654  df-opab 4713  df-mpt 4730  df-id 5024  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-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-preset 16928  df-poset 16946  df-plt 16958  df-glb 16975  df-p0 17039  df-lat 17046  df-covers 34553  df-ats 34554  df-atl 34585

This theorem is referenced by:  atltcvr  34721  llnnleat  34799