| Mathbox for Norm Megill |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > 2polpmapN | Structured version Visualization version GIF version | ||
| Description: Double polarity of a projective map. (Contributed by NM, 24-Jan-2012.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| 2polpmap.b | ⊢ 𝐵 = (Base‘𝐾) |
| 2polpmap.m | ⊢ 𝑀 = (pmap‘𝐾) |
| 2polpmap.p | ⊢ ⊥ = (⊥𝑃‘𝐾) |
| Ref | Expression |
|---|---|
| 2polpmapN | ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) → ( ⊥ ‘( ⊥ ‘(𝑀‘𝑋))) = (𝑀‘𝑋)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2polpmap.b | . . . 4 ⊢ 𝐵 = (Base‘𝐾) | |
| 2 | eqid 2737 | . . . 4 ⊢ (oc‘𝐾) = (oc‘𝐾) | |
| 3 | 2polpmap.m | . . . 4 ⊢ 𝑀 = (pmap‘𝐾) | |
| 4 | 2polpmap.p | . . . 4 ⊢ ⊥ = (⊥𝑃‘𝐾) | |
| 5 | 1, 2, 3, 4 | polpmapN 40349 | . . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) → ( ⊥ ‘(𝑀‘𝑋)) = (𝑀‘((oc‘𝐾)‘𝑋))) |
| 6 | 5 | fveq2d 6836 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) → ( ⊥ ‘( ⊥ ‘(𝑀‘𝑋))) = ( ⊥ ‘(𝑀‘((oc‘𝐾)‘𝑋)))) |
| 7 | hlop 39799 | . . . 4 ⊢ (𝐾 ∈ HL → 𝐾 ∈ OP) | |
| 8 | 1, 2 | opoccl 39631 | . . . 4 ⊢ ((𝐾 ∈ OP ∧ 𝑋 ∈ 𝐵) → ((oc‘𝐾)‘𝑋) ∈ 𝐵) |
| 9 | 7, 8 | sylan 581 | . . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) → ((oc‘𝐾)‘𝑋) ∈ 𝐵) |
| 10 | 1, 2, 3, 4 | polpmapN 40349 | . . 3 ⊢ ((𝐾 ∈ HL ∧ ((oc‘𝐾)‘𝑋) ∈ 𝐵) → ( ⊥ ‘(𝑀‘((oc‘𝐾)‘𝑋))) = (𝑀‘((oc‘𝐾)‘((oc‘𝐾)‘𝑋)))) |
| 11 | 9, 10 | syldan 592 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) → ( ⊥ ‘(𝑀‘((oc‘𝐾)‘𝑋))) = (𝑀‘((oc‘𝐾)‘((oc‘𝐾)‘𝑋)))) |
| 12 | 1, 2 | opococ 39632 | . . . 4 ⊢ ((𝐾 ∈ OP ∧ 𝑋 ∈ 𝐵) → ((oc‘𝐾)‘((oc‘𝐾)‘𝑋)) = 𝑋) |
| 13 | 7, 12 | sylan 581 | . . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) → ((oc‘𝐾)‘((oc‘𝐾)‘𝑋)) = 𝑋) |
| 14 | 13 | fveq2d 6836 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) → (𝑀‘((oc‘𝐾)‘((oc‘𝐾)‘𝑋))) = (𝑀‘𝑋)) |
| 15 | 6, 11, 14 | 3eqtrd 2776 | 1 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ∈ 𝐵) → ( ⊥ ‘( ⊥ ‘(𝑀‘𝑋))) = (𝑀‘𝑋)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ‘cfv 6490 Basecbs 17137 occoc 17186 OPcops 39609 HLchlt 39787 pmapcpmap 39934 ⊥𝑃cpolN 40339 |
| 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 5212 ax-sep 5231 ax-nul 5241 ax-pow 5300 ax-pr 5368 ax-un 7680 |
| 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-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-iin 4937 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5517 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-riota 7315 df-ov 7361 df-oprab 7362 df-proset 18218 df-poset 18237 df-plt 18252 df-lub 18268 df-glb 18269 df-join 18270 df-meet 18271 df-p0 18347 df-p1 18348 df-lat 18356 df-clat 18423 df-oposet 39613 df-ol 39615 df-oml 39616 df-covers 39703 df-ats 39704 df-atl 39735 df-cvlat 39759 df-hlat 39788 df-pmap 39941 df-polarityN 40340 |
| This theorem is referenced by: pmapsubclN 40383 ispsubcl2N 40384 |
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