| Mathbox for Norm Megill |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > iswatN | Structured version Visualization version GIF version | ||
| Description: The predicate "is a W atom" (corresponding to fiducial atom 𝐷). (Contributed by NM, 26-Jan-2012.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| watomfval.a | ⊢ 𝐴 = (Atoms‘𝐾) |
| watomfval.p | ⊢ 𝑃 = (⊥𝑃‘𝐾) |
| watomfval.w | ⊢ 𝑊 = (WAtoms‘𝐾) |
| Ref | Expression |
|---|---|
| iswatN | ⊢ ((𝐾 ∈ 𝐵 ∧ 𝐷 ∈ 𝐴) → (𝑃 ∈ (𝑊‘𝐷) ↔ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ∈ ((⊥𝑃‘𝐾)‘{𝐷})))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | watomfval.a | . . . 4 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 2 | watomfval.p | . . . 4 ⊢ 𝑃 = (⊥𝑃‘𝐾) | |
| 3 | watomfval.w | . . . 4 ⊢ 𝑊 = (WAtoms‘𝐾) | |
| 4 | 1, 2, 3 | watvalN 40866 | . . 3 ⊢ ((𝐾 ∈ 𝐵 ∧ 𝐷 ∈ 𝐴) → (𝑊‘𝐷) = (𝐴 ∖ ((⊥𝑃‘𝐾)‘{𝐷}))) |
| 5 | 4 | eleq2d 2846 | . 2 ⊢ ((𝐾 ∈ 𝐵 ∧ 𝐷 ∈ 𝐴) → (𝑃 ∈ (𝑊‘𝐷) ↔ 𝑃 ∈ (𝐴 ∖ ((⊥𝑃‘𝐾)‘{𝐷})))) |
| 6 | eldif 3909 | . 2 ⊢ (𝑃 ∈ (𝐴 ∖ ((⊥𝑃‘𝐾)‘{𝐷})) ↔ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ∈ ((⊥𝑃‘𝐾)‘{𝐷}))) | |
| 7 | 5, 6 | bitrdi 290 | 1 ⊢ ((𝐾 ∈ 𝐵 ∧ 𝐷 ∈ 𝐴) → (𝑃 ∈ (𝑊‘𝐷) ↔ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ∈ ((⊥𝑃‘𝐾)‘{𝐷})))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1570 ∈ wcel 2145 ∖ cdif 3896 {csn 4584 ‘cfv 6533 Atomscatm 40136 ⊥𝑃cpolN 40775 WAtomscwpointsN 40859 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5232 ax-sep 5251 ax-nul 5263 ax-pr 5398 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-watsN 40863 |
| This theorem is used by: (None) |
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