Mathbox for Norm Megill |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > Mathboxes > pol0N | Structured version Visualization version GIF version |
Description: The polarity of the empty projective subspace is the whole space. (Contributed by NM, 29-Oct-2011.) (New usage is discouraged.) |
Ref | Expression |
---|---|
polssat.a | ⊢ 𝐴 = (Atoms‘𝐾) |
polssat.p | ⊢ ⊥ = (⊥𝑃‘𝐾) |
Ref | Expression |
---|---|
pol0N | ⊢ (𝐾 ∈ 𝐵 → ( ⊥ ‘∅) = 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 0ss 4352 | . . 3 ⊢ ∅ ⊆ 𝐴 | |
2 | eqid 2823 | . . . 4 ⊢ (oc‘𝐾) = (oc‘𝐾) | |
3 | polssat.a | . . . 4 ⊢ 𝐴 = (Atoms‘𝐾) | |
4 | eqid 2823 | . . . 4 ⊢ (pmap‘𝐾) = (pmap‘𝐾) | |
5 | polssat.p | . . . 4 ⊢ ⊥ = (⊥𝑃‘𝐾) | |
6 | 2, 3, 4, 5 | polvalN 37043 | . . 3 ⊢ ((𝐾 ∈ 𝐵 ∧ ∅ ⊆ 𝐴) → ( ⊥ ‘∅) = (𝐴 ∩ ∩ 𝑝 ∈ ∅ ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝)))) |
7 | 1, 6 | mpan2 689 | . 2 ⊢ (𝐾 ∈ 𝐵 → ( ⊥ ‘∅) = (𝐴 ∩ ∩ 𝑝 ∈ ∅ ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝)))) |
8 | 0iin 4989 | . . . 4 ⊢ ∩ 𝑝 ∈ ∅ ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝)) = V | |
9 | 8 | ineq2i 4188 | . . 3 ⊢ (𝐴 ∩ ∩ 𝑝 ∈ ∅ ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝))) = (𝐴 ∩ V) |
10 | inv1 4350 | . . 3 ⊢ (𝐴 ∩ V) = 𝐴 | |
11 | 9, 10 | eqtri 2846 | . 2 ⊢ (𝐴 ∩ ∩ 𝑝 ∈ ∅ ((pmap‘𝐾)‘((oc‘𝐾)‘𝑝))) = 𝐴 |
12 | 7, 11 | syl6eq 2874 | 1 ⊢ (𝐾 ∈ 𝐵 → ( ⊥ ‘∅) = 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1537 ∈ wcel 2114 Vcvv 3496 ∩ cin 3937 ⊆ wss 3938 ∅c0 4293 ∩ ciin 4922 ‘cfv 6357 occoc 16575 Atomscatm 36401 pmapcpmap 36635 ⊥𝑃cpolN 37040 |
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 |
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-iin 4924 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-polarityN 37041 |
This theorem is referenced by: 2pol0N 37049 1psubclN 37082 osumcllem9N 37102 pexmidN 37107 pexmidlem6N 37113 pexmidALTN 37116 |
Copyright terms: Public domain | W3C validator |