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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 32728 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 40100 | . . 3 ⊢ (𝐾 ∈ 𝐷 → 𝐴 = {𝑥 ∈ 𝐵 ∣ 0 𝐶𝑥}) |
| 6 | 5 | eleq2d 2852 | . 2 ⊢ (𝐾 ∈ 𝐷 → (𝑃 ∈ 𝐴 ↔ 𝑃 ∈ {𝑥 ∈ 𝐵 ∣ 0 𝐶𝑥})) |
| 7 | breq2 5118 | . . 3 ⊢ (𝑥 = 𝑃 → ( 0 𝐶𝑥 ↔ 0 𝐶𝑃)) | |
| 8 | 7 | elrab 3653 | . 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 1570 ∈ wcel 2146 {crab 3419 class class class wbr 5114 ‘cfv 6543 Basecbs 17294 0.cp0 18502 ⋖ ccvr 40077 Atomscatm 40078 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-sep 5262 ax-nul 5274 ax-pr 5409 |
| 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 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-ral 3083 df-rex 3093 df-rab 3420 df-v 3460 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-br 5115 df-opab 5179 df-mpt 5198 df-id 5561 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-iota 6499 df-fun 6545 df-fv 6551 df-ats 40082 |
| This theorem is used by: isat2 40102 atcvr0 40103 atbase 40104 isat3 40122 1cvrco 40287 1cvrjat 40290 ltrnatb 40952 |
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