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Theorem cmtbr2N 39513
Description: Alternate definition of the commutes relation. Remark in [Kalmbach] p. 23. (cmbr2i 31671 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 39512 . 2 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → (𝑋𝐶𝑌 ↔ ( 𝑋)𝐶( 𝑌)))
5 simp1 1136 . . 3 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → 𝐾 ∈ OML)
6 omlop 39501 . . . . 5 (𝐾 ∈ OML → 𝐾 ∈ OP)
763ad2ant1 1133 . . . 4 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → 𝐾 ∈ OP)
8 simp2 1137 . . . 4 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → 𝑋𝐵)
91, 2opoccl 39454 . . . 4 ((𝐾 ∈ OP ∧ 𝑋𝐵) → ( 𝑋) ∈ 𝐵)
107, 8, 9syl2anc 584 . . 3 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → ( 𝑋) ∈ 𝐵)
11 simp3 1138 . . . 4 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → 𝑌𝐵)
121, 2opoccl 39454 . . . 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 39471 . . 3 ((𝐾 ∈ OML ∧ ( 𝑋) ∈ 𝐵 ∧ ( 𝑌) ∈ 𝐵) → (( 𝑋)𝐶( 𝑌) ↔ ( 𝑋) = ((( 𝑋) ( 𝑌)) (( 𝑋) ( ‘( 𝑌))))))
175, 10, 13, 16syl3anc 1373 . 2 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → (( 𝑋)𝐶( 𝑌) ↔ ( 𝑋) = ((( 𝑋) ( 𝑌)) (( 𝑋) ( ‘( 𝑌))))))
18 eqcom 2743 . . . 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 39502 . . . . . 6 (𝐾 ∈ OML → 𝐾 ∈ Lat)
21203ad2ant1 1133 . . . . 5 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → 𝐾 ∈ Lat)
221, 14latjcl 18362 . . . . . 6 ((𝐾 ∈ Lat ∧ 𝑋𝐵𝑌𝐵) → (𝑋 𝑌) ∈ 𝐵)
2320, 22syl3an1 1163 . . . . 5 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → (𝑋 𝑌) ∈ 𝐵)
241, 14latjcl 18362 . . . . . 6 ((𝐾 ∈ Lat ∧ 𝑋𝐵 ∧ ( 𝑌) ∈ 𝐵) → (𝑋 ( 𝑌)) ∈ 𝐵)
2521, 8, 13, 24syl3anc 1373 . . . . 5 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → (𝑋 ( 𝑌)) ∈ 𝐵)
261, 15latmcl 18363 . . . . 5 ((𝐾 ∈ Lat ∧ (𝑋 𝑌) ∈ 𝐵 ∧ (𝑋 ( 𝑌)) ∈ 𝐵) → ((𝑋 𝑌) (𝑋 ( 𝑌))) ∈ 𝐵)
2721, 23, 25, 26syl3anc 1373 . . . 4 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → ((𝑋 𝑌) (𝑋 ( 𝑌))) ∈ 𝐵)
281, 2opcon3b 39456 . . . 4 ((𝐾 ∈ OP ∧ ((𝑋 𝑌) (𝑋 ( 𝑌))) ∈ 𝐵𝑋𝐵) → (((𝑋 𝑌) (𝑋 ( 𝑌))) = 𝑋 ↔ ( 𝑋) = ( ‘((𝑋 𝑌) (𝑋 ( 𝑌))))))
297, 27, 8, 28syl3anc 1373 . . 3 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → (((𝑋 𝑌) (𝑋 ( 𝑌))) = 𝑋 ↔ ( 𝑋) = ( ‘((𝑋 𝑌) (𝑋 ( 𝑌))))))
30 omlol 39500 . . . . . . 7 (𝐾 ∈ OML → 𝐾 ∈ OL)
31303ad2ant1 1133 . . . . . 6 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → 𝐾 ∈ OL)
321, 14, 15, 2oldmm1 39477 . . . . . 6 ((𝐾 ∈ OL ∧ (𝑋 𝑌) ∈ 𝐵 ∧ (𝑋 ( 𝑌)) ∈ 𝐵) → ( ‘((𝑋 𝑌) (𝑋 ( 𝑌)))) = (( ‘(𝑋 𝑌)) ( ‘(𝑋 ( 𝑌)))))
3331, 23, 25, 32syl3anc 1373 . . . . 5 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → ( ‘((𝑋 𝑌) (𝑋 ( 𝑌)))) = (( ‘(𝑋 𝑌)) ( ‘(𝑋 ( 𝑌)))))
341, 14, 15, 2oldmj1 39481 . . . . . . 7 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → ( ‘(𝑋 𝑌)) = (( 𝑋) ( 𝑌)))
3530, 34syl3an1 1163 . . . . . 6 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → ( ‘(𝑋 𝑌)) = (( 𝑋) ( 𝑌)))
361, 14, 15, 2oldmj1 39481 . . . . . . 7 ((𝐾 ∈ OL ∧ 𝑋𝐵 ∧ ( 𝑌) ∈ 𝐵) → ( ‘(𝑋 ( 𝑌))) = (( 𝑋) ( ‘( 𝑌))))
3731, 8, 13, 36syl3anc 1373 . . . . . 6 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → ( ‘(𝑋 ( 𝑌))) = (( 𝑋) ( ‘( 𝑌))))
3835, 37oveq12d 7376 . . . . 5 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → (( ‘(𝑋 𝑌)) ( ‘(𝑋 ( 𝑌)))) = ((( 𝑋) ( 𝑌)) (( 𝑋) ( ‘( 𝑌)))))
3933, 38eqtrd 2771 . . . 4 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → ( ‘((𝑋 𝑌) (𝑋 ( 𝑌)))) = ((( 𝑋) ( 𝑌)) (( 𝑋) ( ‘( 𝑌)))))
4039eqeq2d 2747 . . 3 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → (( 𝑋) = ( ‘((𝑋 𝑌) (𝑋 ( 𝑌)))) ↔ ( 𝑋) = ((( 𝑋) ( 𝑌)) (( 𝑋) ( ‘( 𝑌))))))
4119, 29, 403bitrrd 306 . 2 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → (( 𝑋) = ((( 𝑋) ( 𝑌)) (( 𝑋) ( ‘( 𝑌)))) ↔ 𝑋 = ((𝑋 𝑌) (𝑋 ( 𝑌)))))
424, 17, 413bitrd 305 1 ((𝐾 ∈ OML ∧ 𝑋𝐵𝑌𝐵) → (𝑋𝐶𝑌𝑋 = ((𝑋 𝑌) (𝑋 ( 𝑌)))))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 206  w3a 1086   = wceq 1541  wcel 2113   class class class wbr 5098  cfv 6492  (class class class)co 7358  Basecbs 17136  occoc 17185  joincjn 18234  meetcmee 18235  Latclat 18354  OPcops 39432  cmccmtN 39433  OLcol 39434  OMLcoml 39435
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2115  ax-9 2123  ax-10 2146  ax-11 2162  ax-12 2184  ax-ext 2708  ax-rep 5224  ax-sep 5241  ax-nul 5251  ax-pow 5310  ax-pr 5377  ax-un 7680
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-nf 1785  df-sb 2068  df-mo 2539  df-eu 2569  df-clab 2715  df-cleq 2728  df-clel 2811  df-nfc 2885  df-ne 2933  df-ral 3052  df-rex 3061  df-rmo 3350  df-reu 3351  df-rab 3400  df-v 3442  df-sbc 3741  df-csb 3850  df-dif 3904  df-un 3906  df-in 3908  df-ss 3918  df-nul 4286  df-if 4480  df-pw 4556  df-sn 4581  df-pr 4583  df-op 4587  df-uni 4864  df-iun 4948  df-br 5099  df-opab 5161  df-mpt 5180  df-id 5519  df-xp 5630  df-rel 5631  df-cnv 5632  df-co 5633  df-dm 5634  df-rn 5635  df-res 5636  df-ima 5637  df-iota 6448  df-fun 6494  df-fn 6495  df-f 6496  df-f1 6497  df-fo 6498  df-f1o 6499  df-fv 6500  df-riota 7315  df-ov 7361  df-oprab 7362  df-proset 18217  df-poset 18236  df-lub 18267  df-glb 18268  df-join 18269  df-meet 18270  df-lat 18355  df-oposet 39436  df-cmtN 39437  df-ol 39438  df-oml 39439
This theorem is referenced by:  cmtbr3N  39514
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