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Theorem omlfh1N 39747
Description: Foulis-Holland Theorem, part 1. If any 2 pairs in a triple of orthomodular lattice elements commute, the triple is distributive. Part of Theorem 5 in [Kalmbach] p. 25. (fh1 31710 analog.) (Contributed by NM, 8-Nov-2011.) (New usage is discouraged.)
Hypotheses
Ref Expression
omlfh1.b 𝐵 = (Base‘𝐾)
omlfh1.j = (join‘𝐾)
omlfh1.m = (meet‘𝐾)
omlfh1.c 𝐶 = (cm‘𝐾)
Assertion
Ref Expression
omlfh1N ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵) ∧ (𝑋𝐶𝑌𝑋𝐶𝑍)) → (𝑋 (𝑌 𝑍)) = ((𝑋 𝑌) (𝑋 𝑍)))

Proof of Theorem omlfh1N
StepHypRef Expression
1 omllat 39731 . . . . 5 (𝐾 ∈ OML → 𝐾 ∈ Lat)
2 omlfh1.b . . . . . 6 𝐵 = (Base‘𝐾)
3 eqid 2736 . . . . . 6 (le‘𝐾) = (le‘𝐾)
4 omlfh1.j . . . . . 6 = (join‘𝐾)
5 omlfh1.m . . . . . 6 = (meet‘𝐾)
62, 3, 4, 5latledi 18437 . . . . 5 ((𝐾 ∈ Lat ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((𝑋 𝑌) (𝑋 𝑍))(le‘𝐾)(𝑋 (𝑌 𝑍)))
71, 6sylan 582 . . . 4 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((𝑋 𝑌) (𝑋 𝑍))(le‘𝐾)(𝑋 (𝑌 𝑍)))
873adant3 1134 . . 3 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵) ∧ (𝑋𝐶𝑌𝑋𝐶𝑍)) → ((𝑋 𝑌) (𝑋 𝑍))(le‘𝐾)(𝑋 (𝑌 𝑍)))
91adantr 481 . . . . . . 7 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → 𝐾 ∈ Lat)
10 simpr1 1197 . . . . . . 7 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → 𝑋𝐵)
11 simpr2 1198 . . . . . . . 8 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → 𝑌𝐵)
12 simpr3 1199 . . . . . . . 8 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → 𝑍𝐵)
132, 4latjcl 18399 . . . . . . . 8 ((𝐾 ∈ Lat ∧ 𝑌𝐵𝑍𝐵) → (𝑌 𝑍) ∈ 𝐵)
149, 11, 12, 13syl3anc 1375 . . . . . . 7 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑌 𝑍) ∈ 𝐵)
152, 5latmcom 18423 . . . . . . 7 ((𝐾 ∈ Lat ∧ 𝑋𝐵 ∧ (𝑌 𝑍) ∈ 𝐵) → (𝑋 (𝑌 𝑍)) = ((𝑌 𝑍) 𝑋))
169, 10, 14, 15syl3anc 1375 . . . . . 6 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑋 (𝑌 𝑍)) = ((𝑌 𝑍) 𝑋))
17 omlol 39729 . . . . . . . . 9 (𝐾 ∈ OML → 𝐾 ∈ OL)
1817adantr 481 . . . . . . . 8 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → 𝐾 ∈ OL)
192, 5latmcl 18400 . . . . . . . . 9 ((𝐾 ∈ Lat ∧ 𝑋𝐵𝑌𝐵) → (𝑋 𝑌) ∈ 𝐵)
209, 10, 11, 19syl3anc 1375 . . . . . . . 8 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑋 𝑌) ∈ 𝐵)
212, 5latmcl 18400 . . . . . . . . 9 ((𝐾 ∈ Lat ∧ 𝑋𝐵𝑍𝐵) → (𝑋 𝑍) ∈ 𝐵)
229, 10, 12, 21syl3anc 1375 . . . . . . . 8 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑋 𝑍) ∈ 𝐵)
23 eqid 2736 . . . . . . . . 9 (oc‘𝐾) = (oc‘𝐾)
242, 4, 5, 23oldmj1 39710 . . . . . . . 8 ((𝐾 ∈ OL ∧ (𝑋 𝑌) ∈ 𝐵 ∧ (𝑋 𝑍) ∈ 𝐵) → ((oc‘𝐾)‘((𝑋 𝑌) (𝑋 𝑍))) = (((oc‘𝐾)‘(𝑋 𝑌)) ((oc‘𝐾)‘(𝑋 𝑍))))
2518, 20, 22, 24syl3anc 1375 . . . . . . 7 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((oc‘𝐾)‘((𝑋 𝑌) (𝑋 𝑍))) = (((oc‘𝐾)‘(𝑋 𝑌)) ((oc‘𝐾)‘(𝑋 𝑍))))
262, 4, 5, 23oldmm1 39706 . . . . . . . . 9 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → ((oc‘𝐾)‘(𝑋 𝑌)) = (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)))
2718, 10, 11, 26syl3anc 1375 . . . . . . . 8 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((oc‘𝐾)‘(𝑋 𝑌)) = (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)))
282, 4, 5, 23oldmm1 39706 . . . . . . . . 9 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑍𝐵) → ((oc‘𝐾)‘(𝑋 𝑍)) = (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍)))
2918, 10, 12, 28syl3anc 1375 . . . . . . . 8 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((oc‘𝐾)‘(𝑋 𝑍)) = (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍)))
3027, 29oveq12d 7377 . . . . . . 7 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (((oc‘𝐾)‘(𝑋 𝑌)) ((oc‘𝐾)‘(𝑋 𝑍))) = ((((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)) (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍))))
3125, 30eqtrd 2771 . . . . . 6 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((oc‘𝐾)‘((𝑋 𝑌) (𝑋 𝑍))) = ((((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)) (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍))))
3216, 31oveq12d 7377 . . . . 5 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((𝑋 (𝑌 𝑍)) ((oc‘𝐾)‘((𝑋 𝑌) (𝑋 𝑍)))) = (((𝑌 𝑍) 𝑋) ((((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)) (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍)))))
33323adant3 1134 . . . 4 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵) ∧ (𝑋𝐶𝑌𝑋𝐶𝑍)) → ((𝑋 (𝑌 𝑍)) ((oc‘𝐾)‘((𝑋 𝑌) (𝑋 𝑍)))) = (((𝑌 𝑍) 𝑋) ((((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)) (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍)))))
34 omlop 39730 . . . . . . . . . . 11 (𝐾 ∈ OML → 𝐾 ∈ OP)
3534adantr 481 . . . . . . . . . 10 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → 𝐾 ∈ OP)
362, 23opoccl 39683 . . . . . . . . . 10 ((𝐾 ∈ OP ∧ 𝑋𝐵) → ((oc‘𝐾)‘𝑋) ∈ 𝐵)
3735, 10, 36syl2anc 586 . . . . . . . . 9 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((oc‘𝐾)‘𝑋) ∈ 𝐵)
382, 23opoccl 39683 . . . . . . . . . 10 ((𝐾 ∈ OP ∧ 𝑌𝐵) → ((oc‘𝐾)‘𝑌) ∈ 𝐵)
3935, 11, 38syl2anc 586 . . . . . . . . 9 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((oc‘𝐾)‘𝑌) ∈ 𝐵)
402, 4latjcl 18399 . . . . . . . . 9 ((𝐾 ∈ Lat ∧ ((oc‘𝐾)‘𝑋) ∈ 𝐵 ∧ ((oc‘𝐾)‘𝑌) ∈ 𝐵) → (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)) ∈ 𝐵)
419, 37, 39, 40syl3anc 1375 . . . . . . . 8 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)) ∈ 𝐵)
422, 23opoccl 39683 . . . . . . . . . 10 ((𝐾 ∈ OP ∧ 𝑍𝐵) → ((oc‘𝐾)‘𝑍) ∈ 𝐵)
4335, 12, 42syl2anc 586 . . . . . . . . 9 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((oc‘𝐾)‘𝑍) ∈ 𝐵)
442, 4latjcl 18399 . . . . . . . . 9 ((𝐾 ∈ Lat ∧ ((oc‘𝐾)‘𝑋) ∈ 𝐵 ∧ ((oc‘𝐾)‘𝑍) ∈ 𝐵) → (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍)) ∈ 𝐵)
459, 37, 43, 44syl3anc 1375 . . . . . . . 8 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍)) ∈ 𝐵)
462, 5latmcl 18400 . . . . . . . 8 ((𝐾 ∈ Lat ∧ (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)) ∈ 𝐵 ∧ (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍)) ∈ 𝐵) → ((((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)) (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍))) ∈ 𝐵)
479, 41, 45, 46syl3anc 1375 . . . . . . 7 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)) (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍))) ∈ 𝐵)
482, 5latmassOLD 39718 . . . . . . 7 ((𝐾 ∈ OL ∧ ((𝑌 𝑍) ∈ 𝐵𝑋𝐵 ∧ ((((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)) (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍))) ∈ 𝐵)) → (((𝑌 𝑍) 𝑋) ((((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)) (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍)))) = ((𝑌 𝑍) (𝑋 ((((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)) (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍))))))
4918, 14, 10, 47, 48syl13anc 1376 . . . . . 6 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (((𝑌 𝑍) 𝑋) ((((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)) (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍)))) = ((𝑌 𝑍) (𝑋 ((((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)) (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍))))))
50493adant3 1134 . . . . 5 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵) ∧ (𝑋𝐶𝑌𝑋𝐶𝑍)) → (((𝑌 𝑍) 𝑋) ((((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)) (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍)))) = ((𝑌 𝑍) (𝑋 ((((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)) (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍))))))
51 omlfh1.c . . . . . . . . . . . . . 14 𝐶 = (cm‘𝐾)
522, 23, 51cmt2N 39739 . . . . . . . . . . . . 13 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → (𝑋𝐶𝑌𝑋𝐶((oc‘𝐾)‘𝑌)))
53523adant3r3 1187 . . . . . . . . . . . 12 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑋𝐶𝑌𝑋𝐶((oc‘𝐾)‘𝑌)))
54 simpl 483 . . . . . . . . . . . . 13 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → 𝐾 ∈ OML)
552, 4, 5, 23, 51cmtbr3N 39743 . . . . . . . . . . . . 13 ((𝐾 ∈ OML ∧ 𝑋𝐵 ∧ ((oc‘𝐾)‘𝑌) ∈ 𝐵) → (𝑋𝐶((oc‘𝐾)‘𝑌) ↔ (𝑋 (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌))) = (𝑋 ((oc‘𝐾)‘𝑌))))
5654, 10, 39, 55syl3anc 1375 . . . . . . . . . . . 12 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑋𝐶((oc‘𝐾)‘𝑌) ↔ (𝑋 (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌))) = (𝑋 ((oc‘𝐾)‘𝑌))))
5753, 56bitrd 280 . . . . . . . . . . 11 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑋𝐶𝑌 ↔ (𝑋 (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌))) = (𝑋 ((oc‘𝐾)‘𝑌))))
5857biimpa 477 . . . . . . . . . 10 (((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) ∧ 𝑋𝐶𝑌) → (𝑋 (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌))) = (𝑋 ((oc‘𝐾)‘𝑌)))
5958adantrr 719 . . . . . . . . 9 (((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) ∧ (𝑋𝐶𝑌𝑋𝐶𝑍)) → (𝑋 (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌))) = (𝑋 ((oc‘𝐾)‘𝑌)))
60593impa 1111 . . . . . . . 8 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵) ∧ (𝑋𝐶𝑌𝑋𝐶𝑍)) → (𝑋 (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌))) = (𝑋 ((oc‘𝐾)‘𝑌)))
612, 23, 51cmt2N 39739 . . . . . . . . . . . . 13 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑍𝐵) → (𝑋𝐶𝑍𝑋𝐶((oc‘𝐾)‘𝑍)))
62613adant3r2 1186 . . . . . . . . . . . 12 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑋𝐶𝑍𝑋𝐶((oc‘𝐾)‘𝑍)))
632, 4, 5, 23, 51cmtbr3N 39743 . . . . . . . . . . . . 13 ((𝐾 ∈ OML ∧ 𝑋𝐵 ∧ ((oc‘𝐾)‘𝑍) ∈ 𝐵) → (𝑋𝐶((oc‘𝐾)‘𝑍) ↔ (𝑋 (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍))) = (𝑋 ((oc‘𝐾)‘𝑍))))
6454, 10, 43, 63syl3anc 1375 . . . . . . . . . . . 12 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑋𝐶((oc‘𝐾)‘𝑍) ↔ (𝑋 (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍))) = (𝑋 ((oc‘𝐾)‘𝑍))))
6562, 64bitrd 280 . . . . . . . . . . 11 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑋𝐶𝑍 ↔ (𝑋 (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍))) = (𝑋 ((oc‘𝐾)‘𝑍))))
6665biimpa 477 . . . . . . . . . 10 (((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) ∧ 𝑋𝐶𝑍) → (𝑋 (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍))) = (𝑋 ((oc‘𝐾)‘𝑍)))
6766adantrl 718 . . . . . . . . 9 (((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) ∧ (𝑋𝐶𝑌𝑋𝐶𝑍)) → (𝑋 (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍))) = (𝑋 ((oc‘𝐾)‘𝑍)))
68673impa 1111 . . . . . . . 8 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵) ∧ (𝑋𝐶𝑌𝑋𝐶𝑍)) → (𝑋 (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍))) = (𝑋 ((oc‘𝐾)‘𝑍)))
6960, 68oveq12d 7377 . . . . . . 7 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵) ∧ (𝑋𝐶𝑌𝑋𝐶𝑍)) → ((𝑋 (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌))) (𝑋 (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍)))) = ((𝑋 ((oc‘𝐾)‘𝑌)) (𝑋 ((oc‘𝐾)‘𝑍))))
702, 5latmmdiN 39723 . . . . . . . . 9 ((𝐾 ∈ OL ∧ (𝑋𝐵 ∧ (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)) ∈ 𝐵 ∧ (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍)) ∈ 𝐵)) → (𝑋 ((((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)) (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍)))) = ((𝑋 (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌))) (𝑋 (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍)))))
7118, 10, 41, 45, 70syl13anc 1376 . . . . . . . 8 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑋 ((((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)) (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍)))) = ((𝑋 (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌))) (𝑋 (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍)))))
72713adant3 1134 . . . . . . 7 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵) ∧ (𝑋𝐶𝑌𝑋𝐶𝑍)) → (𝑋 ((((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)) (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍)))) = ((𝑋 (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌))) (𝑋 (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍)))))
732, 5latmmdiN 39723 . . . . . . . . 9 ((𝐾 ∈ OL ∧ (𝑋𝐵 ∧ ((oc‘𝐾)‘𝑌) ∈ 𝐵 ∧ ((oc‘𝐾)‘𝑍) ∈ 𝐵)) → (𝑋 (((oc‘𝐾)‘𝑌) ((oc‘𝐾)‘𝑍))) = ((𝑋 ((oc‘𝐾)‘𝑌)) (𝑋 ((oc‘𝐾)‘𝑍))))
7418, 10, 39, 43, 73syl13anc 1376 . . . . . . . 8 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑋 (((oc‘𝐾)‘𝑌) ((oc‘𝐾)‘𝑍))) = ((𝑋 ((oc‘𝐾)‘𝑌)) (𝑋 ((oc‘𝐾)‘𝑍))))
75743adant3 1134 . . . . . . 7 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵) ∧ (𝑋𝐶𝑌𝑋𝐶𝑍)) → (𝑋 (((oc‘𝐾)‘𝑌) ((oc‘𝐾)‘𝑍))) = ((𝑋 ((oc‘𝐾)‘𝑌)) (𝑋 ((oc‘𝐾)‘𝑍))))
7669, 72, 753eqtr4d 2781 . . . . . 6 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵) ∧ (𝑋𝐶𝑌𝑋𝐶𝑍)) → (𝑋 ((((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)) (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍)))) = (𝑋 (((oc‘𝐾)‘𝑌) ((oc‘𝐾)‘𝑍))))
7776oveq2d 7375 . . . . 5 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵) ∧ (𝑋𝐶𝑌𝑋𝐶𝑍)) → ((𝑌 𝑍) (𝑋 ((((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)) (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍))))) = ((𝑌 𝑍) (𝑋 (((oc‘𝐾)‘𝑌) ((oc‘𝐾)‘𝑍)))))
782, 5latmcl 18400 . . . . . . . 8 ((𝐾 ∈ Lat ∧ ((oc‘𝐾)‘𝑌) ∈ 𝐵 ∧ ((oc‘𝐾)‘𝑍) ∈ 𝐵) → (((oc‘𝐾)‘𝑌) ((oc‘𝐾)‘𝑍)) ∈ 𝐵)
799, 39, 43, 78syl3anc 1375 . . . . . . 7 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (((oc‘𝐾)‘𝑌) ((oc‘𝐾)‘𝑍)) ∈ 𝐵)
802, 5latm12 39719 . . . . . . 7 ((𝐾 ∈ OL ∧ ((𝑌 𝑍) ∈ 𝐵𝑋𝐵 ∧ (((oc‘𝐾)‘𝑌) ((oc‘𝐾)‘𝑍)) ∈ 𝐵)) → ((𝑌 𝑍) (𝑋 (((oc‘𝐾)‘𝑌) ((oc‘𝐾)‘𝑍)))) = (𝑋 ((𝑌 𝑍) (((oc‘𝐾)‘𝑌) ((oc‘𝐾)‘𝑍)))))
8118, 14, 10, 79, 80syl13anc 1376 . . . . . 6 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((𝑌 𝑍) (𝑋 (((oc‘𝐾)‘𝑌) ((oc‘𝐾)‘𝑍)))) = (𝑋 ((𝑌 𝑍) (((oc‘𝐾)‘𝑌) ((oc‘𝐾)‘𝑍)))))
82813adant3 1134 . . . . 5 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵) ∧ (𝑋𝐶𝑌𝑋𝐶𝑍)) → ((𝑌 𝑍) (𝑋 (((oc‘𝐾)‘𝑌) ((oc‘𝐾)‘𝑍)))) = (𝑋 ((𝑌 𝑍) (((oc‘𝐾)‘𝑌) ((oc‘𝐾)‘𝑍)))))
8350, 77, 823eqtrd 2775 . . . 4 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵) ∧ (𝑋𝐶𝑌𝑋𝐶𝑍)) → (((𝑌 𝑍) 𝑋) ((((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑌)) (((oc‘𝐾)‘𝑋) ((oc‘𝐾)‘𝑍)))) = (𝑋 ((𝑌 𝑍) (((oc‘𝐾)‘𝑌) ((oc‘𝐾)‘𝑍)))))
842, 4, 5, 23oldmj1 39710 . . . . . . . . . 10 ((𝐾 ∈ OL ∧ 𝑌𝐵𝑍𝐵) → ((oc‘𝐾)‘(𝑌 𝑍)) = (((oc‘𝐾)‘𝑌) ((oc‘𝐾)‘𝑍)))
8518, 11, 12, 84syl3anc 1375 . . . . . . . . 9 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((oc‘𝐾)‘(𝑌 𝑍)) = (((oc‘𝐾)‘𝑌) ((oc‘𝐾)‘𝑍)))
8685oveq2d 7375 . . . . . . . 8 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((𝑌 𝑍) ((oc‘𝐾)‘(𝑌 𝑍))) = ((𝑌 𝑍) (((oc‘𝐾)‘𝑌) ((oc‘𝐾)‘𝑍))))
87 eqid 2736 . . . . . . . . . 10 (0.‘𝐾) = (0.‘𝐾)
882, 23, 5, 87opnoncon 39697 . . . . . . . . 9 ((𝐾 ∈ OP ∧ (𝑌 𝑍) ∈ 𝐵) → ((𝑌 𝑍) ((oc‘𝐾)‘(𝑌 𝑍))) = (0.‘𝐾))
8935, 14, 88syl2anc 586 . . . . . . . 8 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((𝑌 𝑍) ((oc‘𝐾)‘(𝑌 𝑍))) = (0.‘𝐾))
9086, 89eqtr3d 2773 . . . . . . 7 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((𝑌 𝑍) (((oc‘𝐾)‘𝑌) ((oc‘𝐾)‘𝑍))) = (0.‘𝐾))
9190oveq2d 7375 . . . . . 6 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑋 ((𝑌 𝑍) (((oc‘𝐾)‘𝑌) ((oc‘𝐾)‘𝑍)))) = (𝑋 (0.‘𝐾)))
922, 5, 87olm01 39725 . . . . . . 7 ((𝐾 ∈ OL ∧ 𝑋𝐵) → (𝑋 (0.‘𝐾)) = (0.‘𝐾))
9318, 10, 92syl2anc 586 . . . . . 6 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑋 (0.‘𝐾)) = (0.‘𝐾))
9491, 93eqtrd 2771 . . . . 5 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑋 ((𝑌 𝑍) (((oc‘𝐾)‘𝑌) ((oc‘𝐾)‘𝑍)))) = (0.‘𝐾))
95943adant3 1134 . . . 4 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵) ∧ (𝑋𝐶𝑌𝑋𝐶𝑍)) → (𝑋 ((𝑌 𝑍) (((oc‘𝐾)‘𝑌) ((oc‘𝐾)‘𝑍)))) = (0.‘𝐾))
9633, 83, 953eqtrd 2775 . . 3 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵) ∧ (𝑋𝐶𝑌𝑋𝐶𝑍)) → ((𝑋 (𝑌 𝑍)) ((oc‘𝐾)‘((𝑋 𝑌) (𝑋 𝑍)))) = (0.‘𝐾))
972, 4latjcl 18399 . . . . . 6 ((𝐾 ∈ Lat ∧ (𝑋 𝑌) ∈ 𝐵 ∧ (𝑋 𝑍) ∈ 𝐵) → ((𝑋 𝑌) (𝑋 𝑍)) ∈ 𝐵)
989, 20, 22, 97syl3anc 1375 . . . . 5 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((𝑋 𝑌) (𝑋 𝑍)) ∈ 𝐵)
992, 5latmcl 18400 . . . . . 6 ((𝐾 ∈ Lat ∧ 𝑋𝐵 ∧ (𝑌 𝑍) ∈ 𝐵) → (𝑋 (𝑌 𝑍)) ∈ 𝐵)
1009, 10, 14, 99syl3anc 1375 . . . . 5 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → (𝑋 (𝑌 𝑍)) ∈ 𝐵)
1012, 3, 5, 23, 87omllaw3 39734 . . . . 5 ((𝐾 ∈ OML ∧ ((𝑋 𝑌) (𝑋 𝑍)) ∈ 𝐵 ∧ (𝑋 (𝑌 𝑍)) ∈ 𝐵) → ((((𝑋 𝑌) (𝑋 𝑍))(le‘𝐾)(𝑋 (𝑌 𝑍)) ∧ ((𝑋 (𝑌 𝑍)) ((oc‘𝐾)‘((𝑋 𝑌) (𝑋 𝑍)))) = (0.‘𝐾)) → ((𝑋 𝑌) (𝑋 𝑍)) = (𝑋 (𝑌 𝑍))))
10254, 98, 100, 101syl3anc 1375 . . . 4 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵)) → ((((𝑋 𝑌) (𝑋 𝑍))(le‘𝐾)(𝑋 (𝑌 𝑍)) ∧ ((𝑋 (𝑌 𝑍)) ((oc‘𝐾)‘((𝑋 𝑌) (𝑋 𝑍)))) = (0.‘𝐾)) → ((𝑋 𝑌) (𝑋 𝑍)) = (𝑋 (𝑌 𝑍))))
1031023adant3 1134 . . 3 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵) ∧ (𝑋𝐶𝑌𝑋𝐶𝑍)) → ((((𝑋 𝑌) (𝑋 𝑍))(le‘𝐾)(𝑋 (𝑌 𝑍)) ∧ ((𝑋 (𝑌 𝑍)) ((oc‘𝐾)‘((𝑋 𝑌) (𝑋 𝑍)))) = (0.‘𝐾)) → ((𝑋 𝑌) (𝑋 𝑍)) = (𝑋 (𝑌 𝑍))))
1048, 96, 103mp2and 701 . 2 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵) ∧ (𝑋𝐶𝑌𝑋𝐶𝑍)) → ((𝑋 𝑌) (𝑋 𝑍)) = (𝑋 (𝑌 𝑍)))
105104eqcomd 2742 1 ((𝐾 ∈ OML ∧ (𝑋𝐵𝑌𝐵𝑍𝐵) ∧ (𝑋𝐶𝑌𝑋𝐶𝑍)) → (𝑋 (𝑌 𝑍)) = ((𝑋 𝑌) (𝑋 𝑍)))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 207  wa 396  w3a 1088   = wceq 1543  wcel 2115   class class class wbr 5075  cfv 6488  (class class class)co 7359  Basecbs 17173  lecple 17221  occoc 17222  joincjn 18271  meetcmee 18272  0.cp0 18381  Latclat 18391  OPcops 39661  cmccmtN 39662  OLcol 39663  OMLcoml 39664
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1913  ax-6 1970  ax-7 2011  ax-8 2117  ax-9 2125  ax-10 2148  ax-11 2164  ax-12 2185  ax-ext 2708  ax-rep 5202  ax-sep 5221  ax-nul 5231  ax-pow 5297  ax-pr 5365  ax-un 7681
This theorem depends on definitions:  df-bi 208  df-an 397  df-or 850  df-3an 1090  df-tru 1546  df-fal 1556  df-ex 1783  df-nf 1787  df-sb 2070  df-mo 2539  df-eu 2569  df-clab 2715  df-cleq 2728  df-clel 2811  df-nfc 2885  df-ne 2932  df-ral 3051  df-rex 3061  df-rmo 3341  df-reu 3342  df-rab 3389  df-v 3430  df-sbc 3727  df-csb 3835  df-dif 3889  df-un 3891  df-in 3893  df-ss 3903  df-nul 4265  df-if 4458  df-pw 4534  df-sn 4559  df-pr 4561  df-op 4565  df-uni 4842  df-iun 4926  df-br 5076  df-opab 5138  df-mpt 5157  df-id 5516  df-xp 5627  df-rel 5628  df-cnv 5629  df-co 5630  df-dm 5631  df-rn 5632  df-res 5633  df-ima 5634  df-iota 6444  df-fun 6490  df-fn 6491  df-f 6492  df-f1 6493  df-fo 6494  df-f1o 6495  df-fv 6496  df-riota 7316  df-ov 7362  df-oprab 7363  df-proset 18254  df-poset 18273  df-lub 18304  df-glb 18305  df-join 18306  df-meet 18307  df-p0 18383  df-lat 18392  df-oposet 39665  df-cmtN 39666  df-ol 39667  df-oml 39668
This theorem is referenced by:  omlfh3N  39748  omlmod1i2N  39749
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