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Mirrors > Home > MPE Home > Th. List > Mathboxes > pmapmeet | Structured version Visualization version GIF version |
Description: The projective map of a meet. (Contributed by NM, 25-Jan-2012.) |
Ref | Expression |
---|---|
pmapmeet.b | ⊢ 𝐵 = (Base‘𝐾) |
pmapmeet.m | ⊢ ∧ = (meet‘𝐾) |
pmapmeet.a | ⊢ 𝐴 = (Atoms‘𝐾) |
pmapmeet.p | ⊢ 𝑃 = (pmap‘𝐾) |
Ref | Expression |
---|---|
pmapmeet | ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑃‘(𝑋 ∧ 𝑌)) = ((𝑃‘𝑋) ∩ (𝑃‘𝑌))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2798 | . . . 4 ⊢ (glb‘𝐾) = (glb‘𝐾) | |
2 | pmapmeet.m | . . . 4 ⊢ ∧ = (meet‘𝐾) | |
3 | simp1 1133 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → 𝐾 ∈ HL) | |
4 | simp2 1134 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → 𝑋 ∈ 𝐵) | |
5 | simp3 1135 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → 𝑌 ∈ 𝐵) | |
6 | 1, 2, 3, 4, 5 | meetval 17621 | . . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 ∧ 𝑌) = ((glb‘𝐾)‘{𝑋, 𝑌})) |
7 | 6 | fveq2d 6649 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑃‘(𝑋 ∧ 𝑌)) = (𝑃‘((glb‘𝐾)‘{𝑋, 𝑌}))) |
8 | prssi 4714 | . . . 4 ⊢ ((𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → {𝑋, 𝑌} ⊆ 𝐵) | |
9 | 8 | 3adant1 1127 | . . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → {𝑋, 𝑌} ⊆ 𝐵) |
10 | prnzg 4674 | . . . 4 ⊢ (𝑋 ∈ 𝐵 → {𝑋, 𝑌} ≠ ∅) | |
11 | 10 | 3ad2ant2 1131 | . . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → {𝑋, 𝑌} ≠ ∅) |
12 | pmapmeet.b | . . . 4 ⊢ 𝐵 = (Base‘𝐾) | |
13 | pmapmeet.p | . . . 4 ⊢ 𝑃 = (pmap‘𝐾) | |
14 | 12, 1, 13 | pmapglb 37066 | . . 3 ⊢ ((𝐾 ∈ HL ∧ {𝑋, 𝑌} ⊆ 𝐵 ∧ {𝑋, 𝑌} ≠ ∅) → (𝑃‘((glb‘𝐾)‘{𝑋, 𝑌})) = ∩ 𝑥 ∈ {𝑋, 𝑌} (𝑃‘𝑥)) |
15 | 3, 9, 11, 14 | syl3anc 1368 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑃‘((glb‘𝐾)‘{𝑋, 𝑌})) = ∩ 𝑥 ∈ {𝑋, 𝑌} (𝑃‘𝑥)) |
16 | fveq2 6645 | . . . 4 ⊢ (𝑥 = 𝑋 → (𝑃‘𝑥) = (𝑃‘𝑋)) | |
17 | fveq2 6645 | . . . 4 ⊢ (𝑥 = 𝑌 → (𝑃‘𝑥) = (𝑃‘𝑌)) | |
18 | 16, 17 | iinxprg 4974 | . . 3 ⊢ ((𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → ∩ 𝑥 ∈ {𝑋, 𝑌} (𝑃‘𝑥) = ((𝑃‘𝑋) ∩ (𝑃‘𝑌))) |
19 | 18 | 3adant1 1127 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → ∩ 𝑥 ∈ {𝑋, 𝑌} (𝑃‘𝑥) = ((𝑃‘𝑋) ∩ (𝑃‘𝑌))) |
20 | 7, 15, 19 | 3eqtrd 2837 | 1 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑃‘(𝑋 ∧ 𝑌)) = ((𝑃‘𝑋) ∩ (𝑃‘𝑌))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1084 = wceq 1538 ∈ wcel 2111 ≠ wne 2987 ∩ cin 3880 ⊆ wss 3881 ∅c0 4243 {cpr 4527 ∩ ciin 4882 ‘cfv 6324 (class class class)co 7135 Basecbs 16475 glbcglb 17545 meetcmee 17547 Atomscatm 36559 HLchlt 36646 pmapcpmap 36793 |
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 |
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-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-poset 17548 df-lub 17576 df-glb 17577 df-join 17578 df-meet 17579 df-lat 17648 df-clat 17710 df-ats 36563 df-hlat 36647 df-pmap 36800 |
This theorem is referenced by: hlmod1i 37152 poldmj1N 37224 pmapj2N 37225 pnonsingN 37229 psubclinN 37244 poml4N 37249 pl42lem1N 37275 pl42lem2N 37276 |
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