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| Mirrors > Home > ILE Home > Th. List > 1ex | GIF version | ||
| Description: 1 is a set. Common special case. (Contributed by David A. Wheeler, 7-Jul-2016.) |
| Ref | Expression |
|---|---|
| 1ex | ⊢ 1 ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-1cn 8115 | . 2 ⊢ 1 ∈ ℂ | |
| 2 | 1 | elexi 2813 | 1 ⊢ 1 ∈ V |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2200 Vcvv 2800 ℂcc 8020 1c1 8023 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1493 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-ext 2211 ax-1cn 8115 |
| This theorem depends on definitions: df-bi 117 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-v 2802 |
| This theorem is referenced by: nn1suc 9152 nn0ind-raph 9587 fzprval 10307 fztpval 10308 m1expcl2 10813 1exp 10820 facnn 10979 fac0 10980 prhash2ex 11063 prodf1f 12094 fprodntrivap 12135 prod1dc 12137 fprodssdc 12141 ege2le3 12222 1nprm 12676 pcmpt 12906 dvexp 15425 dvef 15441 lgsdir2lem3 15749 2wlklem 16171 2o01f 16529 iswomni0 16591 |
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