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Mirrors > Home > ILE Home > Th. List > zsscn | GIF version |
Description: The integers are a subset of the complex numbers. (Contributed by NM, 2-Aug-2004.) |
Ref | Expression |
---|---|
zsscn | ⊢ ℤ ⊆ ℂ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | zcn 9196 | . 2 ⊢ (𝑥 ∈ ℤ → 𝑥 ∈ ℂ) | |
2 | 1 | ssriv 3146 | 1 ⊢ ℤ ⊆ ℂ |
Colors of variables: wff set class |
Syntax hints: ⊆ wss 3116 ℂcc 7751 ℤcz 9191 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-ext 2147 ax-resscn 7845 |
This theorem depends on definitions: df-bi 116 df-3or 969 df-3an 970 df-tru 1346 df-nf 1449 df-sb 1751 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-rex 2450 df-rab 2453 df-v 2728 df-un 3120 df-in 3122 df-ss 3129 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-br 3983 df-iota 5153 df-fv 5196 df-ov 5845 df-neg 8072 df-z 9192 |
This theorem is referenced by: zex 9200 divfnzn 9559 zexpcl 10470 fsumzcl 11343 fprodzcl 11550 lmbrf 12865 lmres 12898 lgsfcl2 13557 2sqlem6 13606 |
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