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Mirrors > Home > MPE Home > Th. List > Mathboxes > pmapeq0 | Structured version Visualization version GIF version |
Description: A projective map value is zero iff its argument is lattice zero. (Contributed by NM, 27-Jan-2012.) |
Ref | Expression |
---|---|
pmapeq0.b | ⊢ 𝐵 = (Base‘𝐾) |
pmapeq0.z | ⊢ 0 = (0.‘𝐾) |
pmapeq0.m | ⊢ 𝑀 = (pmap‘𝐾) |
Ref | Expression |
---|---|
pmapeq0 | ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) → ((𝑀‘𝑋) = ∅ ↔ 𝑋 = 0 )) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | hlatl 36498 | . . . . 5 ⊢ (𝐾 ∈ HL → 𝐾 ∈ AtLat) | |
2 | 1 | adantr 483 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) → 𝐾 ∈ AtLat) |
3 | pmapeq0.z | . . . . 5 ⊢ 0 = (0.‘𝐾) | |
4 | pmapeq0.m | . . . . 5 ⊢ 𝑀 = (pmap‘𝐾) | |
5 | 3, 4 | pmap0 36903 | . . . 4 ⊢ (𝐾 ∈ AtLat → (𝑀‘ 0 ) = ∅) |
6 | 2, 5 | syl 17 | . . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) → (𝑀‘ 0 ) = ∅) |
7 | 6 | eqeq2d 2834 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) → ((𝑀‘𝑋) = (𝑀‘ 0 ) ↔ (𝑀‘𝑋) = ∅)) |
8 | hlop 36500 | . . . . 5 ⊢ (𝐾 ∈ HL → 𝐾 ∈ OP) | |
9 | 8 | adantr 483 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) → 𝐾 ∈ OP) |
10 | pmapeq0.b | . . . . 5 ⊢ 𝐵 = (Base‘𝐾) | |
11 | 10, 3 | op0cl 36322 | . . . 4 ⊢ (𝐾 ∈ OP → 0 ∈ 𝐵) |
12 | 9, 11 | syl 17 | . . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) → 0 ∈ 𝐵) |
13 | 10, 4 | pmap11 36900 | . . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵 ∧ 0 ∈ 𝐵) → ((𝑀‘𝑋) = (𝑀‘ 0 ) ↔ 𝑋 = 0 )) |
14 | 12, 13 | mpd3an3 1458 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) → ((𝑀‘𝑋) = (𝑀‘ 0 ) ↔ 𝑋 = 0 )) |
15 | 7, 14 | bitr3d 283 | 1 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) → ((𝑀‘𝑋) = ∅ ↔ 𝑋 = 0 )) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 ∧ wa 398 = wceq 1537 ∈ wcel 2114 ∅c0 4293 ‘cfv 6357 Basecbs 16485 0.cp0 17649 OPcops 36310 AtLatcal 36402 HLchlt 36488 pmapcpmap 36635 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2795 ax-rep 5192 ax-sep 5205 ax-nul 5212 ax-pow 5268 ax-pr 5332 ax-un 7463 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2802 df-cleq 2816 df-clel 2895 df-nfc 2965 df-ne 3019 df-ral 3145 df-rex 3146 df-reu 3147 df-rab 3149 df-v 3498 df-sbc 3775 df-csb 3886 df-dif 3941 df-un 3943 df-in 3945 df-ss 3954 df-nul 4294 df-if 4470 df-pw 4543 df-sn 4570 df-pr 4572 df-op 4576 df-uni 4841 df-iun 4923 df-br 5069 df-opab 5131 df-mpt 5149 df-id 5462 df-xp 5563 df-rel 5564 df-cnv 5565 df-co 5566 df-dm 5567 df-rn 5568 df-res 5569 df-ima 5570 df-iota 6316 df-fun 6359 df-fn 6360 df-f 6361 df-f1 6362 df-fo 6363 df-f1o 6364 df-fv 6365 df-riota 7116 df-ov 7161 df-oprab 7162 df-proset 17540 df-poset 17558 df-plt 17570 df-lub 17586 df-glb 17587 df-join 17588 df-meet 17589 df-p0 17651 df-lat 17658 df-clat 17720 df-oposet 36314 df-ol 36316 df-oml 36317 df-covers 36404 df-ats 36405 df-atl 36436 df-cvlat 36460 df-hlat 36489 df-pmap 36642 |
This theorem is referenced by: pmapjat1 36991 |
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