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Theorem oldmm1 35019
Description: De Morgan's law for meet in an ortholattice. (chdmm1 28718 analog.) (Contributed by NM, 6-Nov-2011.)
Hypotheses
Ref Expression
oldmm1.b 𝐵 = (Base‘𝐾)
oldmm1.j = (join‘𝐾)
oldmm1.m = (meet‘𝐾)
oldmm1.o = (oc‘𝐾)
Assertion
Ref Expression
oldmm1 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → ( ‘(𝑋 𝑌)) = (( 𝑋) ( 𝑌)))

Proof of Theorem oldmm1
StepHypRef Expression
1 oldmm1.b . 2 𝐵 = (Base‘𝐾)
2 eqid 2770 . 2 (le‘𝐾) = (le‘𝐾)
3 ollat 35015 . . 3 (𝐾 ∈ OL → 𝐾 ∈ Lat)
433ad2ant1 1126 . 2 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → 𝐾 ∈ Lat)
5 olop 35016 . . . 4 (𝐾 ∈ OL → 𝐾 ∈ OP)
653ad2ant1 1126 . . 3 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → 𝐾 ∈ OP)
7 oldmm1.m . . . . 5 = (meet‘𝐾)
81, 7latmcl 17259 . . . 4 ((𝐾 ∈ Lat ∧ 𝑋𝐵𝑌𝐵) → (𝑋 𝑌) ∈ 𝐵)
93, 8syl3an1 1165 . . 3 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → (𝑋 𝑌) ∈ 𝐵)
10 oldmm1.o . . . 4 = (oc‘𝐾)
111, 10opoccl 34996 . . 3 ((𝐾 ∈ OP ∧ (𝑋 𝑌) ∈ 𝐵) → ( ‘(𝑋 𝑌)) ∈ 𝐵)
126, 9, 11syl2anc 565 . 2 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → ( ‘(𝑋 𝑌)) ∈ 𝐵)
131, 10opoccl 34996 . . . . 5 ((𝐾 ∈ OP ∧ 𝑋𝐵) → ( 𝑋) ∈ 𝐵)
145, 13sylan 561 . . . 4 ((𝐾 ∈ OL ∧ 𝑋𝐵) → ( 𝑋) ∈ 𝐵)
15143adant3 1125 . . 3 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → ( 𝑋) ∈ 𝐵)
161, 10opoccl 34996 . . . . 5 ((𝐾 ∈ OP ∧ 𝑌𝐵) → ( 𝑌) ∈ 𝐵)
175, 16sylan 561 . . . 4 ((𝐾 ∈ OL ∧ 𝑌𝐵) → ( 𝑌) ∈ 𝐵)
18173adant2 1124 . . 3 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → ( 𝑌) ∈ 𝐵)
19 oldmm1.j . . . 4 = (join‘𝐾)
201, 19latjcl 17258 . . 3 ((𝐾 ∈ Lat ∧ ( 𝑋) ∈ 𝐵 ∧ ( 𝑌) ∈ 𝐵) → (( 𝑋) ( 𝑌)) ∈ 𝐵)
214, 15, 18, 20syl3anc 1475 . 2 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → (( 𝑋) ( 𝑌)) ∈ 𝐵)
221, 2, 19latlej1 17267 . . . . . 6 ((𝐾 ∈ Lat ∧ ( 𝑋) ∈ 𝐵 ∧ ( 𝑌) ∈ 𝐵) → ( 𝑋)(le‘𝐾)(( 𝑋) ( 𝑌)))
234, 15, 18, 22syl3anc 1475 . . . . 5 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → ( 𝑋)(le‘𝐾)(( 𝑋) ( 𝑌)))
24 simp2 1130 . . . . . 6 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → 𝑋𝐵)
251, 2, 10oplecon1b 35003 . . . . . 6 ((𝐾 ∈ OP ∧ 𝑋𝐵 ∧ (( 𝑋) ( 𝑌)) ∈ 𝐵) → (( 𝑋)(le‘𝐾)(( 𝑋) ( 𝑌)) ↔ ( ‘(( 𝑋) ( 𝑌)))(le‘𝐾)𝑋))
266, 24, 21, 25syl3anc 1475 . . . . 5 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → (( 𝑋)(le‘𝐾)(( 𝑋) ( 𝑌)) ↔ ( ‘(( 𝑋) ( 𝑌)))(le‘𝐾)𝑋))
2723, 26mpbid 222 . . . 4 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → ( ‘(( 𝑋) ( 𝑌)))(le‘𝐾)𝑋)
281, 2, 19latlej2 17268 . . . . . 6 ((𝐾 ∈ Lat ∧ ( 𝑋) ∈ 𝐵 ∧ ( 𝑌) ∈ 𝐵) → ( 𝑌)(le‘𝐾)(( 𝑋) ( 𝑌)))
294, 15, 18, 28syl3anc 1475 . . . . 5 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → ( 𝑌)(le‘𝐾)(( 𝑋) ( 𝑌)))
30 simp3 1131 . . . . . 6 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → 𝑌𝐵)
311, 2, 10oplecon1b 35003 . . . . . 6 ((𝐾 ∈ OP ∧ 𝑌𝐵 ∧ (( 𝑋) ( 𝑌)) ∈ 𝐵) → (( 𝑌)(le‘𝐾)(( 𝑋) ( 𝑌)) ↔ ( ‘(( 𝑋) ( 𝑌)))(le‘𝐾)𝑌))
326, 30, 21, 31syl3anc 1475 . . . . 5 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → (( 𝑌)(le‘𝐾)(( 𝑋) ( 𝑌)) ↔ ( ‘(( 𝑋) ( 𝑌)))(le‘𝐾)𝑌))
3329, 32mpbid 222 . . . 4 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → ( ‘(( 𝑋) ( 𝑌)))(le‘𝐾)𝑌)
341, 10opoccl 34996 . . . . . 6 ((𝐾 ∈ OP ∧ (( 𝑋) ( 𝑌)) ∈ 𝐵) → ( ‘(( 𝑋) ( 𝑌))) ∈ 𝐵)
356, 21, 34syl2anc 565 . . . . 5 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → ( ‘(( 𝑋) ( 𝑌))) ∈ 𝐵)
361, 2, 7latlem12 17285 . . . . 5 ((𝐾 ∈ Lat ∧ (( ‘(( 𝑋) ( 𝑌))) ∈ 𝐵𝑋𝐵𝑌𝐵)) → ((( ‘(( 𝑋) ( 𝑌)))(le‘𝐾)𝑋 ∧ ( ‘(( 𝑋) ( 𝑌)))(le‘𝐾)𝑌) ↔ ( ‘(( 𝑋) ( 𝑌)))(le‘𝐾)(𝑋 𝑌)))
374, 35, 24, 30, 36syl13anc 1477 . . . 4 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → ((( ‘(( 𝑋) ( 𝑌)))(le‘𝐾)𝑋 ∧ ( ‘(( 𝑋) ( 𝑌)))(le‘𝐾)𝑌) ↔ ( ‘(( 𝑋) ( 𝑌)))(le‘𝐾)(𝑋 𝑌)))
3827, 33, 37mpbi2and 683 . . 3 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → ( ‘(( 𝑋) ( 𝑌)))(le‘𝐾)(𝑋 𝑌))
391, 2, 10oplecon1b 35003 . . . 4 ((𝐾 ∈ OP ∧ (( 𝑋) ( 𝑌)) ∈ 𝐵 ∧ (𝑋 𝑌) ∈ 𝐵) → (( ‘(( 𝑋) ( 𝑌)))(le‘𝐾)(𝑋 𝑌) ↔ ( ‘(𝑋 𝑌))(le‘𝐾)(( 𝑋) ( 𝑌))))
406, 21, 9, 39syl3anc 1475 . . 3 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → (( ‘(( 𝑋) ( 𝑌)))(le‘𝐾)(𝑋 𝑌) ↔ ( ‘(𝑋 𝑌))(le‘𝐾)(( 𝑋) ( 𝑌))))
4138, 40mpbid 222 . 2 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → ( ‘(𝑋 𝑌))(le‘𝐾)(( 𝑋) ( 𝑌)))
421, 2, 7latmle1 17283 . . . . 5 ((𝐾 ∈ Lat ∧ 𝑋𝐵𝑌𝐵) → (𝑋 𝑌)(le‘𝐾)𝑋)
433, 42syl3an1 1165 . . . 4 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → (𝑋 𝑌)(le‘𝐾)𝑋)
441, 2, 10oplecon3b 35002 . . . . 5 ((𝐾 ∈ OP ∧ (𝑋 𝑌) ∈ 𝐵𝑋𝐵) → ((𝑋 𝑌)(le‘𝐾)𝑋 ↔ ( 𝑋)(le‘𝐾)( ‘(𝑋 𝑌))))
456, 9, 24, 44syl3anc 1475 . . . 4 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → ((𝑋 𝑌)(le‘𝐾)𝑋 ↔ ( 𝑋)(le‘𝐾)( ‘(𝑋 𝑌))))
4643, 45mpbid 222 . . 3 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → ( 𝑋)(le‘𝐾)( ‘(𝑋 𝑌)))
471, 2, 7latmle2 17284 . . . . 5 ((𝐾 ∈ Lat ∧ 𝑋𝐵𝑌𝐵) → (𝑋 𝑌)(le‘𝐾)𝑌)
483, 47syl3an1 1165 . . . 4 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → (𝑋 𝑌)(le‘𝐾)𝑌)
491, 2, 10oplecon3b 35002 . . . . 5 ((𝐾 ∈ OP ∧ (𝑋 𝑌) ∈ 𝐵𝑌𝐵) → ((𝑋 𝑌)(le‘𝐾)𝑌 ↔ ( 𝑌)(le‘𝐾)( ‘(𝑋 𝑌))))
506, 9, 30, 49syl3anc 1475 . . . 4 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → ((𝑋 𝑌)(le‘𝐾)𝑌 ↔ ( 𝑌)(le‘𝐾)( ‘(𝑋 𝑌))))
5148, 50mpbid 222 . . 3 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → ( 𝑌)(le‘𝐾)( ‘(𝑋 𝑌)))
521, 2, 19latjle12 17269 . . . 4 ((𝐾 ∈ Lat ∧ (( 𝑋) ∈ 𝐵 ∧ ( 𝑌) ∈ 𝐵 ∧ ( ‘(𝑋 𝑌)) ∈ 𝐵)) → ((( 𝑋)(le‘𝐾)( ‘(𝑋 𝑌)) ∧ ( 𝑌)(le‘𝐾)( ‘(𝑋 𝑌))) ↔ (( 𝑋) ( 𝑌))(le‘𝐾)( ‘(𝑋 𝑌))))
534, 15, 18, 12, 52syl13anc 1477 . . 3 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → ((( 𝑋)(le‘𝐾)( ‘(𝑋 𝑌)) ∧ ( 𝑌)(le‘𝐾)( ‘(𝑋 𝑌))) ↔ (( 𝑋) ( 𝑌))(le‘𝐾)( ‘(𝑋 𝑌))))
5446, 51, 53mpbi2and 683 . 2 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → (( 𝑋) ( 𝑌))(le‘𝐾)( ‘(𝑋 𝑌)))
551, 2, 4, 12, 21, 41, 54latasymd 17264 1 ((𝐾 ∈ OL ∧ 𝑋𝐵𝑌𝐵) → ( ‘(𝑋 𝑌)) = (( 𝑋) ( 𝑌)))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 196  wa 382  w3a 1070   = wceq 1630  wcel 2144   class class class wbr 4784  cfv 6031  (class class class)co 6792  Basecbs 16063  lecple 16155  occoc 16156  joincjn 17151  meetcmee 17152  Latclat 17252  OPcops 34974  OLcol 34976
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1869  ax-4 1884  ax-5 1990  ax-6 2056  ax-7 2092  ax-8 2146  ax-9 2153  ax-10 2173  ax-11 2189  ax-12 2202  ax-13 2407  ax-ext 2750  ax-rep 4902  ax-sep 4912  ax-nul 4920  ax-pow 4971  ax-pr 5034  ax-un 7095
This theorem depends on definitions:  df-bi 197  df-an 383  df-or 827  df-3an 1072  df-tru 1633  df-ex 1852  df-nf 1857  df-sb 2049  df-eu 2621  df-mo 2622  df-clab 2757  df-cleq 2763  df-clel 2766  df-nfc 2901  df-ne 2943  df-ral 3065  df-rex 3066  df-reu 3067  df-rab 3069  df-v 3351  df-sbc 3586  df-csb 3681  df-dif 3724  df-un 3726  df-in 3728  df-ss 3735  df-nul 4062  df-if 4224  df-pw 4297  df-sn 4315  df-pr 4317  df-op 4321  df-uni 4573  df-iun 4654  df-br 4785  df-opab 4845  df-mpt 4862  df-id 5157  df-xp 5255  df-rel 5256  df-cnv 5257  df-co 5258  df-dm 5259  df-rn 5260  df-res 5261  df-ima 5262  df-iota 5994  df-fun 6033  df-fn 6034  df-f 6035  df-f1 6036  df-fo 6037  df-f1o 6038  df-fv 6039  df-riota 6753  df-ov 6795  df-oprab 6796  df-preset 17135  df-poset 17153  df-lub 17181  df-glb 17182  df-join 17183  df-meet 17184  df-lat 17253  df-oposet 34978  df-ol 34980
This theorem is referenced by:  oldmm2  35020  oldmm3N  35021  cmtcomlemN  35050  cmtbr2N  35055  omlfh1N  35060  cvrexch  35221  lhpmod2i2  35839  lhpmod6i1  35840  doca2N  36929  djajN  36940
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