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Theorem zssre 9634
Description: The integers are a subset of the reals. (Contributed by NM, 2-Aug-2004.)
Assertion
Ref Expression
zssre ℤ ⊆ ℝ

Proof of Theorem zssre
StepHypRef Expression
1 zre 9631 . 2 (𝑥 ∈ ℤ → 𝑥 ∈ ℝ)
21ssriv 3252 1 ℤ ⊆ ℝ
Colors of variables: wff set class
Syntax hints:  wss 3220  cr 8172  cz 9627
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 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 theorem depends on definitions:  df-bi 117  df-3or 1010  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-in 3226  df-ss 3233  df-sn 3714  df-pr 3715  df-op 3717  df-uni 3934  df-br 4129  df-iota 5335  df-fv 5383  df-ov 6082  df-neg 8494  df-z 9628
This theorem is referenced by:  suprzclex  9727  zred  9751  lbzbi  9999  fzval2  10397  zsupcl  10647  infssuzex  10649  infssuzcldc  10651  seq3coll  11277  summodclem2a  12131  fsum3cvg3  12146  prodmodclem2a  12326  gcddvds  12723  dvdslegcd  12724  ballotfilemfc0  13215  ballotfilemfcc  13216
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