| Mathbox for Norm Megill |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > polcon3N | Structured version Visualization version GIF version | ||
| Description: Contraposition law for polarity. Remark in [Holland95] p. 223. (Contributed by NM, 23-Mar-2012.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| 2polss.a | ⊢ 𝐴 = (Atoms‘𝐾) |
| 2polss.p | ⊢ ⊥ = (⊥𝑃‘𝐾) |
| Ref | Expression |
|---|---|
| polcon3N | ⊢ ((𝐾 ∈ HL ∧ 𝑌 ⊆ 𝐴 ∧ 𝑋 ⊆ 𝑌) → ( ⊥ ‘𝑌) ⊆ ( ⊥ ‘𝑋)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simp3 1156 | . . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑌 ⊆ 𝐴 ∧ 𝑋 ⊆ 𝑌) → 𝑋 ⊆ 𝑌) | |
| 2 | iinss1 4972 | . . 3 ⊢ (𝑋 ⊆ 𝑌 → ∩ 𝑝 ∈ 𝑌 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝)) ⊆ ∩ 𝑝 ∈ 𝑋 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝))) | |
| 3 | sslin 4195 | . . 3 ⊢ (∩ 𝑝 ∈ 𝑌 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝)) ⊆ ∩ 𝑝 ∈ 𝑋 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝)) → (𝐴 ∩ ∩ 𝑝 ∈ 𝑌 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝))) ⊆ (𝐴 ∩ ∩ 𝑝 ∈ 𝑋 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝)))) | |
| 4 | 1, 2, 3 | 3syl 19 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑌 ⊆ 𝐴 ∧ 𝑋 ⊆ 𝑌) → (𝐴 ∩ ∩ 𝑝 ∈ 𝑌 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝))) ⊆ (𝐴 ∩ ∩ 𝑝 ∈ 𝑋 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝)))) |
| 5 | eqid 2763 | . . . 4 ⊢ (oc‘𝐾) = (oc‘𝐾) | |
| 6 | 2polss.a | . . . 4 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 7 | eqid 2763 | . . . 4 ⊢ (pmap‘𝐾) = (pmap‘𝐾) | |
| 8 | 2polss.p | . . . 4 ⊢ ⊥ = (⊥𝑃‘𝐾) | |
| 9 | 5, 6, 7, 8 | polvalN 40707 | . . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑌 ⊆ 𝐴) → ( ⊥ ‘𝑌) = (𝐴 ∩ ∩ 𝑝 ∈ 𝑌 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝)))) |
| 10 | 9 | 3adant3 1150 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑌 ⊆ 𝐴 ∧ 𝑋 ⊆ 𝑌) → ( ⊥ ‘𝑌) = (𝐴 ∩ ∩ 𝑝 ∈ 𝑌 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝)))) |
| 11 | simp1 1154 | . . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑌 ⊆ 𝐴 ∧ 𝑋 ⊆ 𝑌) → 𝐾 ∈ HL) | |
| 12 | simp2 1155 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑌 ⊆ 𝐴 ∧ 𝑋 ⊆ 𝑌) → 𝑌 ⊆ 𝐴) | |
| 13 | 1, 12 | sstrd 3947 | . . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑌 ⊆ 𝐴 ∧ 𝑋 ⊆ 𝑌) → 𝑋 ⊆ 𝐴) |
| 14 | 5, 6, 7, 8 | polvalN 40707 | . . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴) → ( ⊥ ‘𝑋) = (𝐴 ∩ ∩ 𝑝 ∈ 𝑋 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝)))) |
| 15 | 11, 13, 14 | syl2anc 595 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑌 ⊆ 𝐴 ∧ 𝑋 ⊆ 𝑌) → ( ⊥ ‘𝑋) = (𝐴 ∩ ∩ 𝑝 ∈ 𝑋 ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝)))) |
| 16 | 4, 10, 15 | 3sstr4d 3992 | 1 ⊢ ((𝐾 ∈ HL ∧ 𝑌 ⊆ 𝐴 ∧ 𝑋 ⊆ 𝑌) → ( ⊥ ‘𝑌) ⊆ ( ⊥ ‘𝑋)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ w3a 1103 = wceq 1570 ∈ wcel 2143 ∩ cin 3904 ⊆ wss 3905 ∩ ciin 4957 ‘cfv 6536 occoc 17322 Atomscatm 40065 HLchlt 40152 pmapcpmap 40299 ⊥𝑃cpolN 40704 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-rep 5238 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-iun 4958 df-iin 4959 df-br 5110 df-opab 5174 df-mpt 5193 df-id 5556 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-polarityN 40705 |
| This theorem is used by: 2polcon4bN 40720 polcon2N 40721 paddunN 40729 |
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