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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 9216 | . 2 ⊢ (𝑥 ∈ ℤ → 𝑥 ∈ ℝ) | |
2 | 1 | ssriv 3151 | 1 ⊢ ℤ ⊆ ℝ |
Colors of variables: wff set class |
Syntax hints: ⊆ wss 3121 ℝcr 7773 ℤcz 9212 |
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 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-ext 2152 |
This theorem depends on definitions: df-bi 116 df-3or 974 df-3an 975 df-tru 1351 df-nf 1454 df-sb 1756 df-clab 2157 df-cleq 2163 df-clel 2166 df-nfc 2301 df-rex 2454 df-rab 2457 df-v 2732 df-un 3125 df-in 3127 df-ss 3134 df-sn 3589 df-pr 3590 df-op 3592 df-uni 3797 df-br 3990 df-iota 5160 df-fv 5206 df-ov 5856 df-neg 8093 df-z 9213 |
This theorem is referenced by: suprzclex 9310 zred 9334 lbzbi 9575 fzval2 9968 seq3coll 10777 summodclem2a 11344 fsum3cvg3 11359 prodmodclem2a 11539 zsupcl 11902 infssuzex 11904 infssuzcldc 11906 gcddvds 11918 dvdslegcd 11919 |
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