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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 32974 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 40545 | . . 3 ⊢ (𝐾 ∈ 𝐷 → 𝐴 = {𝑥 ∈ 𝐵 ∣ 0 𝐶𝑥}) |
| 6 | 5 | eleq2d 2850 | . 2 ⊢ (𝐾 ∈ 𝐷 → (𝑃 ∈ 𝐴 ↔ 𝑃 ∈ {𝑥 ∈ 𝐵 ∣ 0 𝐶𝑥})) |
| 7 | breq2 5110 | . . 3 ⊢ (𝑥 = 𝑃 → ( 0 𝐶𝑥 ↔ 0 𝐶𝑃)) | |
| 8 | 7 | elrab 3648 | . 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 2147 {crab 3416 class class class wbr 5106 ‘cfv 6561 Basecbs 17419 0.cp0 18627 ⋖ ccvr 40522 Atomscatm 40523 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5253 ax-nul 5264 ax-pr 5396 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-br 5107 df-opab 5172 df-mpt 5191 df-id 5551 df-xp 5662 df-rel 5663 df-cnv 5664 df-co 5665 df-dm 5666 df-iota 6515 df-fun 6563 df-fv 6569 df-ats 40527 |
| This theorem is used by: isat2 40547 atcvr0 40548 atbase 40549 isat3 40567 1cvrco 40732 1cvrjat 40735 ltrnatb 41397 |
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