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| Mirrors > Home > ILE Home > Th. List > gzcn | Unicode version | ||
| Description: A gaussian integer is a complex number. (Contributed by Mario Carneiro, 14-Jul-2014.) |
| Ref | Expression |
|---|---|
| gzcn |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elgz 13178 |
. 2
| |
| 2 | 1 | simp1bi 1043 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-rex 2534 df-rab 2537 df-v 2823 df-un 3224 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4132 df-iota 5340 df-fv 5388 df-gz 13177 |
| This theorem is used by: gznegcl 13182 gzcjcl 13183 gzaddcl 13184 gzmulcl 13185 gzsubcl 13187 gzabssqcl 13188 4sqlem4a 13198 4sqlem4 13199 mul4sqlem 13200 mul4sq 13201 4sqlem12 13209 4sqlem17 13214 gzsubrg 15027 2sqlem1 16455 2sqlem2 16456 mul2sq 16457 2sqlem3 16458 |
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