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Theorem res0 5067
Description: A restriction to the empty set is empty. (Contributed by NM, 12-Nov-1994.)
Assertion
Ref Expression
res0  |-  ( A  |`  (/) )  =  (/)

Proof of Theorem res0
StepHypRef Expression
1 df-res 4786 . 2  |-  ( A  |`  (/) )  =  ( A  i^i  ( (/)  X. 
_V ) )
2 0xp 4855 . . 3  |-  ( (/)  X. 
_V )  =  (/)
32ineq2i 3429 . 2  |-  ( A  i^i  ( (/)  X.  _V ) )  =  ( A  i^i  (/) )
4 in0 3557 . 2  |-  ( A  i^i  (/) )  =  (/)
51, 3, 43eqtri 2263 1  |-  ( A  |`  (/) )  =  (/)
Colors of variables:    wff set class
This proof depends on syntax axioms:    = wceq 1402   _Vcvv 2821    i^i cin 3219   (/)c0 3520    X. cxp 4772    |` cres 4776
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 623  ax-in2 624  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-14 2212  ax-ext 2220  ax-sep 4249  ax-pow 4311  ax-pr 4346
This proof depends on definitions:  df-bi 117  df-3an 1011  df-tru 1405  df-fal 1408  df-nf 1514  df-sb 1816  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-v 2823  df-dif 3222  df-un 3224  df-in 3226  df-ss 3233  df-nul 3521  df-pw 3690  df-sn 3715  df-pr 3716  df-op 3718  df-opab 4193  df-xp 4780  df-res 4786
This theorem is used by:  ima0  5146  resdisj  5216  smo0  6569  tfr0dm  6593  tfr0  6594  fnfi  7250  setsslid  13403  gzsumsplit0  14148  gsumclfi  14159  gsummptfidmadd  14161  gsumsubmclfi  14163  egrsubgr  16504  0grsubgr  16505  eupth2lembfi  16718
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