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| Mirrors > Home > MPE Home > Th. List > dfom4 | Structured version Visualization version GIF version | ||
| Description: A simplification of df-om 7797 assuming the Axiom of Infinity. (Contributed by NM, 30-May-2003.) |
| Ref | Expression |
|---|---|
| dfom4 | ⊢ ω = {𝑥 ∣ ∀𝑦(Lim 𝑦 → 𝑥 ∈ 𝑦)} |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elom3 9538 | . 2 ⊢ (𝑥 ∈ ω ↔ ∀𝑦(Lim 𝑦 → 𝑥 ∈ 𝑦)) | |
| 2 | 1 | eqabi 2866 | 1 ⊢ ω = {𝑥 ∣ ∀𝑦(Lim 𝑦 → 𝑥 ∈ 𝑦)} |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∀wal 1539 = wceq 1541 {cab 2709 Lim wlim 6307 ωcom 7796 |
| 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 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-ext 2703 ax-sep 5234 ax-nul 5244 ax-pr 5370 ax-un 7668 ax-inf2 9531 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-sb 2068 df-clab 2710 df-cleq 2723 df-clel 2806 df-ne 2929 df-ral 3048 df-rex 3057 df-rab 3396 df-v 3438 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4284 df-if 4476 df-pw 4552 df-sn 4577 df-pr 4579 df-op 4583 df-uni 4860 df-br 5092 df-opab 5154 df-tr 5199 df-eprel 5516 df-po 5524 df-so 5525 df-fr 5569 df-we 5571 df-ord 6309 df-on 6310 df-lim 6311 df-suc 6312 df-om 7797 |
| This theorem is referenced by: (None) |
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