| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 8273 | . 2 ⊢ 1 ∈ ℂ | |
| 2 | 1 | elexi 2834 | 1 ⊢ 1 ∈ V |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: ∈ wcel 2209 Vcvv 2821 ℂcc 8178 1c1 8181 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1500 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-ext 2220 ax-1cn 8273 |
| This proof depends on definitions: df-bi 117 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-v 2823 |
| This theorem is used by: nn1suc 9326 nn0ind-raph 9768 fzprval 10500 fztpval 10501 m1expcl2 11013 1exp 11020 facnn 11181 fac0 11182 prhash2ex 11266 prodf1f 12329 fprodntrivap 12370 prod1dc 12372 fprodssdc 12376 ege2le3 12457 1nprm 12911 pcmpt 13145 ballotfilem2 13280 dvexp 15903 dvef 15919 prmorcht 16243 ppiublem2 16253 bposlem5 16276 lgsdir2lem3 16315 2wlklem 16783 konigsberglem4 16898 konigsberglem5 16899 2o01f 17190 iswomni0 17268 |
| Copyright terms: Public domain | W3C validator |