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| Mirrors > Home > ILE Home > Th. List > zssre | GIF version | ||
| Description: The integers are a subset of the reals. (Contributed by NM, 2-Aug-2004.) |
| Ref | Expression |
|---|---|
| zssre | ⊢ ℤ ⊆ ℝ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | zre 9458 | . 2 ⊢ (𝑥 ∈ ℤ → 𝑥 ∈ ℝ) | |
| 2 | 1 | ssriv 3228 | 1 ⊢ ℤ ⊆ ℝ |
| Colors of variables: wff set class |
| Syntax hints: ⊆ wss 3197 ℝcr 8006 ℤcz 9454 |
| 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-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-3or 1003 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-rex 2514 df-rab 2517 df-v 2801 df-un 3201 df-in 3203 df-ss 3210 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-br 4084 df-iota 5278 df-fv 5326 df-ov 6010 df-neg 8328 df-z 9455 |
| This theorem is referenced by: suprzclex 9553 zred 9577 lbzbi 9819 fzval2 10215 zsupcl 10459 infssuzex 10461 infssuzcldc 10463 seq3coll 11072 summodclem2a 11900 fsum3cvg3 11915 prodmodclem2a 12095 gcddvds 12492 dvdslegcd 12493 |
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