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Theorem polcon3N 40322
Description: Contraposition law for polarity. Remark in [Holland95] p. 223. (Contributed by NM, 23-Mar-2012.) (New usage is discouraged.)
Hypotheses
Ref Expression
2polss.a 𝐴 = (Atoms‘𝐾)
2polss.p = (⊥𝑃𝐾)
Assertion
Ref Expression
polcon3N ((𝐾 ∈ HL ∧ 𝑌𝐴𝑋𝑌) → ( 𝑌) ⊆ ( 𝑋))

Proof of Theorem polcon3N
Dummy variable 𝑝 is distinct from all other variables.
StepHypRef Expression
1 simp3 1139 . . 3 ((𝐾 ∈ HL ∧ 𝑌𝐴𝑋𝑌) → 𝑋𝑌)
2 iinss1 4964 . . 3 (𝑋𝑌 𝑝𝑌 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝)) ⊆ 𝑝𝑋 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝)))
3 sslin 4197 . . 3 ( 𝑝𝑌 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝)) ⊆ 𝑝𝑋 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝)) → (𝐴 𝑝𝑌 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝))) ⊆ (𝐴 𝑝𝑋 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝))))
41, 2, 33syl 18 . 2 ((𝐾 ∈ HL ∧ 𝑌𝐴𝑋𝑌) → (𝐴 𝑝𝑌 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝))) ⊆ (𝐴 𝑝𝑋 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝))))
5 eqid 2737 . . . 4 (oc‘𝐾) = (oc‘𝐾)
6 2polss.a . . . 4 𝐴 = (Atoms‘𝐾)
7 eqid 2737 . . . 4 (pmap‘𝐾) = (pmap‘𝐾)
8 2polss.p . . . 4 = (⊥𝑃𝐾)
95, 6, 7, 8polvalN 40310 . . 3 ((𝐾 ∈ HL ∧ 𝑌𝐴) → ( 𝑌) = (𝐴 𝑝𝑌 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝))))
1093adant3 1133 . 2 ((𝐾 ∈ HL ∧ 𝑌𝐴𝑋𝑌) → ( 𝑌) = (𝐴 𝑝𝑌 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝))))
11 simp1 1137 . . 3 ((𝐾 ∈ HL ∧ 𝑌𝐴𝑋𝑌) → 𝐾 ∈ HL)
12 simp2 1138 . . . 4 ((𝐾 ∈ HL ∧ 𝑌𝐴𝑋𝑌) → 𝑌𝐴)
131, 12sstrd 3946 . . 3 ((𝐾 ∈ HL ∧ 𝑌𝐴𝑋𝑌) → 𝑋𝐴)
145, 6, 7, 8polvalN 40310 . . 3 ((𝐾 ∈ HL ∧ 𝑋𝐴) → ( 𝑋) = (𝐴 𝑝𝑋 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝))))
1511, 13, 14syl2anc 585 . 2 ((𝐾 ∈ HL ∧ 𝑌𝐴𝑋𝑌) → ( 𝑋) = (𝐴 𝑝𝑋 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝))))
164, 10, 153sstr4d 3991 1 ((𝐾 ∈ HL ∧ 𝑌𝐴𝑋𝑌) → ( 𝑌) ⊆ ( 𝑋))
Colors of variables: wff setvar class
Syntax hints:  wi 4  w3a 1087   = wceq 1542  wcel 2114  cin 3902  wss 3903   ciin 4949  cfv 6502  occoc 17199  Atomscatm 39668  HLchlt 39755  pmapcpmap 39902  𝑃cpolN 40307
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 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-rep 5226  ax-sep 5245  ax-nul 5255  ax-pow 5314  ax-pr 5381
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ne 2934  df-ral 3053  df-rex 3063  df-reu 3353  df-rab 3402  df-v 3444  df-sbc 3743  df-csb 3852  df-dif 3906  df-un 3908  df-in 3910  df-ss 3920  df-nul 4288  df-if 4482  df-pw 4558  df-sn 4583  df-pr 4585  df-op 4589  df-uni 4866  df-iun 4950  df-iin 4951  df-br 5101  df-opab 5163  df-mpt 5182  df-id 5529  df-xp 5640  df-rel 5641  df-cnv 5642  df-co 5643  df-dm 5644  df-rn 5645  df-res 5646  df-ima 5647  df-iota 6458  df-fun 6504  df-fn 6505  df-f 6506  df-f1 6507  df-fo 6508  df-f1o 6509  df-fv 6510  df-polarityN 40308
This theorem is referenced by:  2polcon4bN  40323  polcon2N  40324  paddunN  40332
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