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Theorem polval2N 37088
Description: Alternate expression for value of the projective subspace polarity function. Equation for polarity in [Holland95] p. 223. (Contributed by NM, 22-Jan-2012.) (New usage is discouraged.)
Hypotheses
Ref Expression
polval2.u 𝑈 = (lub‘𝐾)
polval2.o = (oc‘𝐾)
polval2.a 𝐴 = (Atoms‘𝐾)
polval2.m 𝑀 = (pmap‘𝐾)
polval2.p 𝑃 = (⊥𝑃𝐾)
Assertion
Ref Expression
polval2N ((𝐾 ∈ HL ∧ 𝑋𝐴) → (𝑃𝑋) = (𝑀‘( ‘(𝑈𝑋))))

Proof of Theorem polval2N
Dummy variables 𝑥 𝑝 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 polval2.o . . 3 = (oc‘𝐾)
2 polval2.a . . 3 𝐴 = (Atoms‘𝐾)
3 polval2.m . . 3 𝑀 = (pmap‘𝐾)
4 polval2.p . . 3 𝑃 = (⊥𝑃𝐾)
51, 2, 3, 4polvalN 37087 . 2 ((𝐾 ∈ HL ∧ 𝑋𝐴) → (𝑃𝑋) = (𝐴 𝑝𝑋 (𝑀‘( 𝑝))))
6 hlop 36544 . . . . . 6 (𝐾 ∈ HL → 𝐾 ∈ OP)
76ad2antrr 725 . . . . 5 (((𝐾 ∈ HL ∧ 𝑋𝐴) ∧ 𝑝𝑋) → 𝐾 ∈ OP)
8 ssel2 3938 . . . . . . 7 ((𝑋𝐴𝑝𝑋) → 𝑝𝐴)
98adantll 713 . . . . . 6 (((𝐾 ∈ HL ∧ 𝑋𝐴) ∧ 𝑝𝑋) → 𝑝𝐴)
10 eqid 2821 . . . . . . 7 (Base‘𝐾) = (Base‘𝐾)
1110, 2atbase 36471 . . . . . 6 (𝑝𝐴𝑝 ∈ (Base‘𝐾))
129, 11syl 17 . . . . 5 (((𝐾 ∈ HL ∧ 𝑋𝐴) ∧ 𝑝𝑋) → 𝑝 ∈ (Base‘𝐾))
1310, 1opoccl 36376 . . . . 5 ((𝐾 ∈ OP ∧ 𝑝 ∈ (Base‘𝐾)) → ( 𝑝) ∈ (Base‘𝐾))
147, 12, 13syl2anc 587 . . . 4 (((𝐾 ∈ HL ∧ 𝑋𝐴) ∧ 𝑝𝑋) → ( 𝑝) ∈ (Base‘𝐾))
1514ralrimiva 3170 . . 3 ((𝐾 ∈ HL ∧ 𝑋𝐴) → ∀𝑝𝑋 ( 𝑝) ∈ (Base‘𝐾))
16 eqid 2821 . . . 4 (glb‘𝐾) = (glb‘𝐾)
1710, 16, 2, 3pmapglb2xN 36954 . . 3 ((𝐾 ∈ HL ∧ ∀𝑝𝑋 ( 𝑝) ∈ (Base‘𝐾)) → (𝑀‘((glb‘𝐾)‘{𝑥 ∣ ∃𝑝𝑋 𝑥 = ( 𝑝)})) = (𝐴 𝑝𝑋 (𝑀‘( 𝑝))))
1815, 17syldan 594 . 2 ((𝐾 ∈ HL ∧ 𝑋𝐴) → (𝑀‘((glb‘𝐾)‘{𝑥 ∣ ∃𝑝𝑋 𝑥 = ( 𝑝)})) = (𝐴 𝑝𝑋 (𝑀‘( 𝑝))))
19 polval2.u . . . . . 6 𝑈 = (lub‘𝐾)
2010, 19, 16, 1glbconxN 36560 . . . . 5 ((𝐾 ∈ HL ∧ ∀𝑝𝑋 ( 𝑝) ∈ (Base‘𝐾)) → ((glb‘𝐾)‘{𝑥 ∣ ∃𝑝𝑋 𝑥 = ( 𝑝)}) = ( ‘(𝑈‘{𝑥 ∣ ∃𝑝𝑋 𝑥 = ( ‘( 𝑝))})))
2115, 20syldan 594 . . . 4 ((𝐾 ∈ HL ∧ 𝑋𝐴) → ((glb‘𝐾)‘{𝑥 ∣ ∃𝑝𝑋 𝑥 = ( 𝑝)}) = ( ‘(𝑈‘{𝑥 ∣ ∃𝑝𝑋 𝑥 = ( ‘( 𝑝))})))
2210, 1opococ 36377 . . . . . . . . . . 11 ((𝐾 ∈ OP ∧ 𝑝 ∈ (Base‘𝐾)) → ( ‘( 𝑝)) = 𝑝)
237, 12, 22syl2anc 587 . . . . . . . . . 10 (((𝐾 ∈ HL ∧ 𝑋𝐴) ∧ 𝑝𝑋) → ( ‘( 𝑝)) = 𝑝)
2423eqeq2d 2832 . . . . . . . . 9 (((𝐾 ∈ HL ∧ 𝑋𝐴) ∧ 𝑝𝑋) → (𝑥 = ( ‘( 𝑝)) ↔ 𝑥 = 𝑝))
2524rexbidva 3282 . . . . . . . 8 ((𝐾 ∈ HL ∧ 𝑋𝐴) → (∃𝑝𝑋 𝑥 = ( ‘( 𝑝)) ↔ ∃𝑝𝑋 𝑥 = 𝑝))
2625abbidv 2885 . . . . . . 7 ((𝐾 ∈ HL ∧ 𝑋𝐴) → {𝑥 ∣ ∃𝑝𝑋 𝑥 = ( ‘( 𝑝))} = {𝑥 ∣ ∃𝑝𝑋 𝑥 = 𝑝})
27 df-rex 3132 . . . . . . . . . 10 (∃𝑝𝑋 𝑥 = 𝑝 ↔ ∃𝑝(𝑝𝑋𝑥 = 𝑝))
28 equcom 2026 . . . . . . . . . . . 12 (𝑥 = 𝑝𝑝 = 𝑥)
2928anbi1ci 628 . . . . . . . . . . 11 ((𝑝𝑋𝑥 = 𝑝) ↔ (𝑝 = 𝑥𝑝𝑋))
3029exbii 1849 . . . . . . . . . 10 (∃𝑝(𝑝𝑋𝑥 = 𝑝) ↔ ∃𝑝(𝑝 = 𝑥𝑝𝑋))
31 eleq1w 2894 . . . . . . . . . . 11 (𝑝 = 𝑥 → (𝑝𝑋𝑥𝑋))
3231equsexvw 2012 . . . . . . . . . 10 (∃𝑝(𝑝 = 𝑥𝑝𝑋) ↔ 𝑥𝑋)
3327, 30, 323bitri 300 . . . . . . . . 9 (∃𝑝𝑋 𝑥 = 𝑝𝑥𝑋)
3433abbii 2886 . . . . . . . 8 {𝑥 ∣ ∃𝑝𝑋 𝑥 = 𝑝} = {𝑥𝑥𝑋}
35 abid2 2954 . . . . . . . 8 {𝑥𝑥𝑋} = 𝑋
3634, 35eqtri 2844 . . . . . . 7 {𝑥 ∣ ∃𝑝𝑋 𝑥 = 𝑝} = 𝑋
3726, 36syl6eq 2872 . . . . . 6 ((𝐾 ∈ HL ∧ 𝑋𝐴) → {𝑥 ∣ ∃𝑝𝑋 𝑥 = ( ‘( 𝑝))} = 𝑋)
3837fveq2d 6647 . . . . 5 ((𝐾 ∈ HL ∧ 𝑋𝐴) → (𝑈‘{𝑥 ∣ ∃𝑝𝑋 𝑥 = ( ‘( 𝑝))}) = (𝑈𝑋))
3938fveq2d 6647 . . . 4 ((𝐾 ∈ HL ∧ 𝑋𝐴) → ( ‘(𝑈‘{𝑥 ∣ ∃𝑝𝑋 𝑥 = ( ‘( 𝑝))})) = ( ‘(𝑈𝑋)))
4021, 39eqtrd 2856 . . 3 ((𝐾 ∈ HL ∧ 𝑋𝐴) → ((glb‘𝐾)‘{𝑥 ∣ ∃𝑝𝑋 𝑥 = ( 𝑝)}) = ( ‘(𝑈𝑋)))
4140fveq2d 6647 . 2 ((𝐾 ∈ HL ∧ 𝑋𝐴) → (𝑀‘((glb‘𝐾)‘{𝑥 ∣ ∃𝑝𝑋 𝑥 = ( 𝑝)})) = (𝑀‘( ‘(𝑈𝑋))))
425, 18, 413eqtr2d 2862 1 ((𝐾 ∈ HL ∧ 𝑋𝐴) → (𝑃𝑋) = (𝑀‘( ‘(𝑈𝑋))))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 399   = wceq 1538  wex 1781  wcel 2115  {cab 2799  wral 3126  wrex 3127  cin 3909  wss 3910   ciin 4893  cfv 6328  Basecbs 16462  occoc 16552  lubclub 17531  glbcglb 17532  OPcops 36354  Atomscatm 36445  HLchlt 36532  pmapcpmap 36679  𝑃cpolN 37084
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1971  ax-7 2016  ax-8 2117  ax-9 2125  ax-10 2146  ax-11 2162  ax-12 2178  ax-ext 2793  ax-rep 5163  ax-sep 5176  ax-nul 5183  ax-pow 5239  ax-pr 5303  ax-un 7436  ax-riotaBAD 36135
This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3an 1086  df-tru 1541  df-ex 1782  df-nf 1786  df-sb 2071  df-mo 2623  df-eu 2654  df-clab 2800  df-cleq 2814  df-clel 2892  df-nfc 2960  df-ne 3008  df-ral 3131  df-rex 3132  df-reu 3133  df-rmo 3134  df-rab 3135  df-v 3473  df-sbc 3750  df-csb 3858  df-dif 3913  df-un 3915  df-in 3917  df-ss 3927  df-nul 4267  df-if 4441  df-pw 4514  df-sn 4541  df-pr 4543  df-op 4547  df-uni 4812  df-iun 4894  df-iin 4895  df-br 5040  df-opab 5102  df-mpt 5120  df-id 5433  df-xp 5534  df-rel 5535  df-cnv 5536  df-co 5537  df-dm 5538  df-rn 5539  df-res 5540  df-ima 5541  df-iota 6287  df-fun 6330  df-fn 6331  df-f 6332  df-f1 6333  df-fo 6334  df-f1o 6335  df-fv 6336  df-riota 7088  df-ov 7133  df-oprab 7134  df-undef 7914  df-proset 17517  df-poset 17535  df-lub 17563  df-glb 17564  df-join 17565  df-meet 17566  df-p1 17629  df-lat 17635  df-clat 17697  df-oposet 36358  df-ol 36360  df-oml 36361  df-ats 36449  df-hlat 36533  df-pmap 36686  df-polarityN 37085
This theorem is referenced by:  polsubN  37089  pol1N  37092  polpmapN  37094  2polvalN  37096  3polN  37098  poldmj1N  37110  pnonsingN  37115  ispsubcl2N  37129  polsubclN  37134  poml4N  37135
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