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Theorem cmtbr2N 35870
Description: Alternate definition of the commutes relation. Remark in [Kalmbach] p. 23. (cmbr2i 29052 analog.) (Contributed by NM, 8-Nov-2011.) (New usage is discouraged.)
Hypotheses
Ref Expression
cmtbr2.b 𝐵 = (Base‘𝐾)
cmtbr2.j = (join‘𝐾)
cmtbr2.m = (meet‘𝐾)
cmtbr2.o = (oc‘𝐾)
cmtbr2.c 𝐶 = (cm‘𝐾)
Assertion
Ref Expression
cmtbr2N ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → (𝑋𝐶𝑌𝑋 = ((𝑋 𝑌) (𝑋 ( 𝑌)))))

Proof of Theorem cmtbr2N
StepHypRef Expression
1 cmtbr2.b . . 3 𝐵 = (Base‘𝐾)
2 cmtbr2.o . . 3 = (oc‘𝐾)
3 cmtbr2.c . . 3 𝐶 = (cm‘𝐾)
41, 2, 3cmt4N 35869 . 2 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → (𝑋𝐶𝑌 ↔ ( 𝑋)𝐶( 𝑌)))
5 simp1 1127 . . 3 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → 𝐾 ∈ OML)
6 omlop 35858 . . . . 5 (𝐾 ∈ OML → 𝐾 ∈ OP)
763ad2ant1 1124 . . . 4 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → 𝐾 ∈ OP)
8 simp2 1128 . . . 4 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → 𝑋𝐵)
91, 2opoccl 35811 . . . 4 ((𝐾 ∈ OP ∧ 𝑋𝐵) → ( 𝑋) ∈ 𝐵)
107, 8, 9syl2anc 584 . . 3 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → ( 𝑋) ∈ 𝐵)
11 simp3 1129 . . . 4 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → 𝑌𝐵)
121, 2opoccl 35811 . . . 4 ((𝐾 ∈ OP ∧ 𝑌𝐵) → ( 𝑌) ∈ 𝐵)
137, 11, 12syl2anc 584 . . 3 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → ( 𝑌) ∈ 𝐵)
14 cmtbr2.j . . . 4 = (join‘𝐾)
15 cmtbr2.m . . . 4 = (meet‘𝐾)
161, 14, 15, 2, 3cmtvalN 35828 . . 3 ((𝐾 ∈ OML ∧ ( 𝑋) ∈ 𝐵 ∧ ( 𝑌) ∈ 𝐵) → (( 𝑋)𝐶( 𝑌) ↔ ( 𝑋) = ((( 𝑋) ( 𝑌)) (( 𝑋) ( ‘( 𝑌))))))
175, 10, 13, 16syl3anc 1362 . 2 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → (( 𝑋)𝐶( 𝑌) ↔ ( 𝑋) = ((( 𝑋) ( 𝑌)) (( 𝑋) ( ‘( 𝑌))))))
18 eqcom 2800 . . . 4 (𝑋 = ((𝑋 𝑌) (𝑋 ( 𝑌))) ↔ ((𝑋 𝑌) (𝑋 ( 𝑌))) = 𝑋)
1918a1i 11 . . 3 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → (𝑋 = ((𝑋 𝑌) (𝑋 ( 𝑌))) ↔ ((𝑋 𝑌) (𝑋 ( 𝑌))) = 𝑋))
20 omllat 35859 . . . . . 6 (𝐾 ∈ OML → 𝐾 ∈ Lat)
21203ad2ant1 1124 . . . . 5 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → 𝐾 ∈ Lat)
221, 14latjcl 17478 . . . . . 6 ((𝐾 ∈ Lat ∧ 𝑋𝐵𝑌𝐵) → (𝑋 𝑌) ∈ 𝐵)
2320, 22syl3an1 1154 . . . . 5 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → (𝑋 𝑌) ∈ 𝐵)
241, 14latjcl 17478 . . . . . 6 ((𝐾 ∈ Lat ∧ 𝑋𝐵 ∧ ( 𝑌) ∈ 𝐵) → (𝑋 ( 𝑌)) ∈ 𝐵)
2521, 8, 13, 24syl3anc 1362 . . . . 5 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → (𝑋 ( 𝑌)) ∈ 𝐵)
261, 15latmcl 17479 . . . . 5 ((𝐾 ∈ Lat ∧ (𝑋 𝑌) ∈ 𝐵 ∧ (𝑋 ( 𝑌)) ∈ 𝐵) → ((𝑋 𝑌) (𝑋 ( 𝑌))) ∈ 𝐵)
2721, 23, 25, 26syl3anc 1362 . . . 4 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → ((𝑋 𝑌) (𝑋 ( 𝑌))) ∈ 𝐵)
281, 2opcon3b 35813 . . . 4 ((𝐾 ∈ OP ∧ ((𝑋 𝑌) (𝑋 ( 𝑌))) ∈ 𝐵𝑋𝐵) → (((𝑋 𝑌) (𝑋 ( 𝑌))) = 𝑋 ↔ ( 𝑋) = ( ‘((𝑋 𝑌) (𝑋 ( 𝑌))))))
297, 27, 8, 28syl3anc 1362 . . 3 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → (((𝑋 𝑌) (𝑋 ( 𝑌))) = 𝑋 ↔ ( 𝑋) = ( ‘((𝑋 𝑌) (𝑋 ( 𝑌))))))
30 omlol 35857 . . . . . . 7 (𝐾 ∈ OML → 𝐾 ∈ OL)
31303ad2ant1 1124 . . . . . 6 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → 𝐾 ∈ OL)
321, 14, 15, 2oldmm1 35834 . . . . . 6 ((𝐾 ∈ OL ∧ (𝑋 𝑌) ∈ 𝐵 ∧ (𝑋 ( 𝑌)) ∈ 𝐵) → ( ‘((𝑋 𝑌) (𝑋 ( 𝑌)))) = (( ‘(𝑋 𝑌)) ( ‘(𝑋 ( 𝑌)))))
3331, 23, 25, 32syl3anc 1362 . . . . 5 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → ( ‘((𝑋 𝑌) (𝑋 ( 𝑌)))) = (( ‘(𝑋 𝑌)) ( ‘(𝑋 ( 𝑌)))))
341, 14, 15, 2oldmj1 35838 . . . . . . 7 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → ( ‘(𝑋 𝑌)) = (( 𝑋) ( 𝑌)))
3530, 34syl3an1 1154 . . . . . 6 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → ( ‘(𝑋 𝑌)) = (( 𝑋) ( 𝑌)))
361, 14, 15, 2oldmj1 35838 . . . . . . 7 ((𝐾 ∈ OL ∧ 𝑋𝐵 ∧ ( 𝑌) ∈ 𝐵) → ( ‘(𝑋 ( 𝑌))) = (( 𝑋) ( ‘( 𝑌))))
3731, 8, 13, 36syl3anc 1362 . . . . . 6 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → ( ‘(𝑋 ( 𝑌))) = (( 𝑋) ( ‘( 𝑌))))
3835, 37oveq12d 7025 . . . . 5 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → (( ‘(𝑋 𝑌)) ( ‘(𝑋 ( 𝑌)))) = ((( 𝑋) ( 𝑌)) (( 𝑋) ( ‘( 𝑌)))))
3933, 38eqtrd 2829 . . . 4 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → ( ‘((𝑋 𝑌) (𝑋 ( 𝑌)))) = ((( 𝑋) ( 𝑌)) (( 𝑋) ( ‘( 𝑌)))))
4039eqeq2d 2803 . . 3 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → (( 𝑋) = ( ‘((𝑋 𝑌) (𝑋 ( 𝑌)))) ↔ ( 𝑋) = ((( 𝑋) ( 𝑌)) (( 𝑋) ( ‘( 𝑌))))))
4119, 29, 403bitrrd 307 . 2 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → (( 𝑋) = ((( 𝑋) ( 𝑌)) (( 𝑋) ( ‘( 𝑌)))) ↔ 𝑋 = ((𝑋 𝑌) (𝑋 ( 𝑌)))))
424, 17, 413bitrd 306 1 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → (𝑋𝐶𝑌𝑋 = ((𝑋 𝑌) (𝑋 ( 𝑌)))))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 207  w3a 1078   = wceq 1520  wcel 2079   class class class wbr 4956  cfv 6217  (class class class)co 7007  Basecbs 16300  occoc 16390  joincjn 17371  meetcmee 17372  Latclat 17472  OPcops 35789  cmccmtN 35790  OLcol 35791  OMLcoml 35792
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1775  ax-4 1789  ax-5 1886  ax-6 1945  ax-7 1990  ax-8 2081  ax-9 2089  ax-10 2110  ax-11 2124  ax-12 2139  ax-13 2342  ax-ext 2767  ax-rep 5075  ax-sep 5088  ax-nul 5095  ax-pow 5150  ax-pr 5214  ax-un 7310
This theorem depends on definitions:  df-bi 208  df-an 397  df-or 843  df-3an 1080  df-tru 1523  df-ex 1760  df-nf 1764  df-sb 2041  df-mo 2574  df-eu 2610  df-clab 2774  df-cleq 2786  df-clel 2861  df-nfc 2933  df-ne 2983  df-ral 3108  df-rex 3109  df-reu 3110  df-rab 3112  df-v 3434  df-sbc 3702  df-csb 3807  df-dif 3857  df-un 3859  df-in 3861  df-ss 3869  df-nul 4207  df-if 4376  df-pw 4449  df-sn 4467  df-pr 4469  df-op 4473  df-uni 4740  df-iun 4821  df-br 4957  df-opab 5019  df-mpt 5036  df-id 5340  df-xp 5441  df-rel 5442  df-cnv 5443  df-co 5444  df-dm 5445  df-rn 5446  df-res 5447  df-ima 5448  df-iota 6181  df-fun 6219  df-fn 6220  df-f 6221  df-f1 6222  df-fo 6223  df-f1o 6224  df-fv 6225  df-riota 6968  df-ov 7010  df-oprab 7011  df-proset 17355  df-poset 17373  df-lub 17401  df-glb 17402  df-join 17403  df-meet 17404  df-lat 17473  df-oposet 35793  df-cmtN 35794  df-ol 35795  df-oml 35796
This theorem is referenced by:  cmtbr3N  35871
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