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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 8168 | . 2 ⊢ 1 ∈ ℂ | |
| 2 | 1 | elexi 2816 | 1 ⊢ 1 ∈ V |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2202 Vcvv 2803 ℂcc 8073 1c1 8076 |
| 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 1496 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-ext 2213 ax-1cn 8168 |
| This theorem depends on definitions: df-bi 117 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-v 2805 |
| This theorem is referenced by: nn1suc 9204 nn0ind-raph 9641 fzprval 10362 fztpval 10363 m1expcl2 10869 1exp 10876 facnn 11035 fac0 11036 prhash2ex 11119 prodf1f 12167 fprodntrivap 12208 prod1dc 12210 fprodssdc 12214 ege2le3 12295 1nprm 12749 pcmpt 12979 dvexp 15505 dvef 15521 lgsdir2lem3 15832 2wlklem 16300 konigsberglem4 16415 konigsberglem5 16416 2o01f 16697 iswomni0 16767 |
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