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Mathbox for Norm Megill |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > 3polN | Structured version Visualization version GIF version |
Description: Triple polarity cancels to a single polarity. (Contributed by NM, 6-Mar-2012.) (New usage is discouraged.) |
Ref | Expression |
---|---|
2polss.a | ⊢ 𝐴 = (Atoms‘𝐾) |
2polss.p | ⊢ ⊥ = (⊥𝑃‘𝐾) |
Ref | Expression |
---|---|
3polN | ⊢ ((𝐾 ∈ HL ∧ 𝑆 ⊆ 𝐴) → ( ⊥ ‘( ⊥ ‘( ⊥ ‘𝑆))) = ( ⊥ ‘𝑆)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | hlclat 36654 | . . . 4 ⊢ (𝐾 ∈ HL → 𝐾 ∈ CLat) | |
2 | eqid 2798 | . . . . . 6 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
3 | 2polss.a | . . . . . 6 ⊢ 𝐴 = (Atoms‘𝐾) | |
4 | 2, 3 | atssbase 36586 | . . . . 5 ⊢ 𝐴 ⊆ (Base‘𝐾) |
5 | sstr 3923 | . . . . 5 ⊢ ((𝑆 ⊆ 𝐴 ∧ 𝐴 ⊆ (Base‘𝐾)) → 𝑆 ⊆ (Base‘𝐾)) | |
6 | 4, 5 | mpan2 690 | . . . 4 ⊢ (𝑆 ⊆ 𝐴 → 𝑆 ⊆ (Base‘𝐾)) |
7 | eqid 2798 | . . . . 5 ⊢ (lub‘𝐾) = (lub‘𝐾) | |
8 | 2, 7 | clatlubcl 17714 | . . . 4 ⊢ ((𝐾 ∈ CLat ∧ 𝑆 ⊆ (Base‘𝐾)) → ((lub‘𝐾)‘𝑆) ∈ (Base‘𝐾)) |
9 | 1, 6, 8 | syl2an 598 | . . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑆 ⊆ 𝐴) → ((lub‘𝐾)‘𝑆) ∈ (Base‘𝐾)) |
10 | eqid 2798 | . . . 4 ⊢ (oc‘𝐾) = (oc‘𝐾) | |
11 | eqid 2798 | . . . 4 ⊢ (pmap‘𝐾) = (pmap‘𝐾) | |
12 | 2polss.p | . . . 4 ⊢ ⊥ = (⊥𝑃‘𝐾) | |
13 | 2, 10, 11, 12 | polpmapN 37208 | . . 3 ⊢ ((𝐾 ∈ HL ∧ ((lub‘𝐾)‘𝑆) ∈ (Base‘𝐾)) → ( ⊥ ‘((pmap‘𝐾)‘((lub‘𝐾)‘𝑆))) = ((pmap‘𝐾)‘((oc‘𝐾)‘((lub‘𝐾)‘𝑆)))) |
14 | 9, 13 | syldan 594 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑆 ⊆ 𝐴) → ( ⊥ ‘((pmap‘𝐾)‘((lub‘𝐾)‘𝑆))) = ((pmap‘𝐾)‘((oc‘𝐾)‘((lub‘𝐾)‘𝑆)))) |
15 | 7, 3, 11, 12 | 2polvalN 37210 | . . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑆 ⊆ 𝐴) → ( ⊥ ‘( ⊥ ‘𝑆)) = ((pmap‘𝐾)‘((lub‘𝐾)‘𝑆))) |
16 | 15 | fveq2d 6649 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑆 ⊆ 𝐴) → ( ⊥ ‘( ⊥ ‘( ⊥ ‘𝑆))) = ( ⊥ ‘((pmap‘𝐾)‘((lub‘𝐾)‘𝑆)))) |
17 | 7, 10, 3, 11, 12 | polval2N 37202 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑆 ⊆ 𝐴) → ( ⊥ ‘𝑆) = ((pmap‘𝐾)‘((oc‘𝐾)‘((lub‘𝐾)‘𝑆)))) |
18 | 14, 16, 17 | 3eqtr4d 2843 | 1 ⊢ ((𝐾 ∈ HL ∧ 𝑆 ⊆ 𝐴) → ( ⊥ ‘( ⊥ ‘( ⊥ ‘𝑆))) = ( ⊥ ‘𝑆)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 = wceq 1538 ∈ wcel 2111 ⊆ wss 3881 ‘cfv 6324 Basecbs 16475 occoc 16565 lubclub 17544 CLatccla 17709 Atomscatm 36559 HLchlt 36646 pmapcpmap 36793 ⊥𝑃cpolN 37198 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-rep 5154 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-riotaBAD 36249 |
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 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-ral 3111 df-rex 3112 df-reu 3113 df-rmo 3114 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-iun 4883 df-iin 4884 df-br 5031 df-opab 5093 df-mpt 5111 df-id 5425 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-riota 7093 df-ov 7138 df-oprab 7139 df-undef 7922 df-proset 17530 df-poset 17548 df-plt 17560 df-lub 17576 df-glb 17577 df-join 17578 df-meet 17579 df-p0 17641 df-p1 17642 df-lat 17648 df-clat 17710 df-oposet 36472 df-ol 36474 df-oml 36475 df-covers 36562 df-ats 36563 df-atl 36594 df-cvlat 36618 df-hlat 36647 df-pmap 36800 df-polarityN 37199 |
This theorem is referenced by: 2polcon4bN 37214 2pmaplubN 37222 pmapocjN 37226 poml5N 37250 |
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