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| Mirrors > Home > MPE Home > Th. List > Mathboxes > isat | Structured version Visualization version GIF version | ||
| Description: The predicate "is an atom". (ela 32946 analog.) (Contributed by NM, 18-Sep-2011.) |
| Ref | Expression |
|---|---|
| isatom.b | ⊢ 𝐵 = (Base‘𝐾) |
| isatom.z | ⊢ 0 = (0.‘𝐾) |
| isatom.c | ⊢ 𝐶 = ( ⋖ ‘𝐾) |
| isatom.a | ⊢ 𝐴 = (Atoms‘𝐾) |
| Ref | Expression |
|---|---|
| isat | ⊢ (𝐾 ∈ 𝐷 → (𝑃 ∈ 𝐴 ↔ (𝑃 ∈ 𝐵 ∧ 0 𝐶𝑃))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | isatom.b | . . . 4 ⊢ 𝐵 = (Base‘𝐾) | |
| 2 | isatom.z | . . . 4 ⊢ 0 = (0.‘𝐾) | |
| 3 | isatom.c | . . . 4 ⊢ 𝐶 = ( ⋖ ‘𝐾) | |
| 4 | isatom.a | . . . 4 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 5 | 1, 2, 3, 4 | pats 40435 | . . 3 ⊢ (𝐾 ∈ 𝐷 → 𝐴 = {𝑥 ∈ 𝐵 ∣ 0 𝐶𝑥}) |
| 6 | 5 | eleq2d 2846 | . 2 ⊢ (𝐾 ∈ 𝐷 → (𝑃 ∈ 𝐴 ↔ 𝑃 ∈ {𝑥 ∈ 𝐵 ∣ 0 𝐶𝑥})) |
| 7 | breq2 5106 | . . 3 ⊢ (𝑥 = 𝑃 → ( 0 𝐶𝑥 ↔ 0 𝐶𝑃)) | |
| 8 | 7 | elrab 3644 | . 2 ⊢ (𝑃 ∈ {𝑥 ∈ 𝐵 ∣ 0 𝐶𝑥} ↔ (𝑃 ∈ 𝐵 ∧ 0 𝐶𝑃)) |
| 9 | 6, 8 | bitrdi 290 | 1 ⊢ (𝐾 ∈ 𝐷 → (𝑃 ∈ 𝐴 ↔ (𝑃 ∈ 𝐵 ∧ 0 𝐶𝑃))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1569 ∈ wcel 2144 {crab 3412 class class class wbr 5102 ‘cfv 6538 Basecbs 17392 0.cp0 18600 ⋖ ccvr 40412 Atomscatm 40413 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pr 5390 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 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-rab 3413 df-v 3452 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5545 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-iota 6494 df-fun 6540 df-fv 6546 df-ats 40417 |
| This theorem is used by: isat2 40437 atcvr0 40438 atbase 40439 isat3 40457 1cvrco 40622 1cvrjat 40625 ltrnatb 41287 |
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