ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  csbied Unicode version

Theorem csbied 3175
Description: Conversion of implicit substitution to explicit substitution into a class. (Contributed by Mario Carneiro, 2-Dec-2014.) (Revised by Mario Carneiro, 13-Oct-2016.)
Hypotheses
Ref Expression
csbied.1  |-  ( ph  ->  A  e.  V )
csbied.2  |-  ( (
ph  /\  x  =  A )  ->  B  =  C )
Assertion
Ref Expression
csbied  |-  ( ph  ->  [_ A  /  x ]_ B  =  C
)
Distinct variable groups:    x, A    x, C    ph, x
Allowed substitution hints:    B( x)    V( x)

Proof of Theorem csbied
StepHypRef Expression
1 nfv 1577 . 2  |-  F/ x ph
2 nfcvd 2376 . 2  |-  ( ph  -> 
F/_ x C )
3 csbied.1 . 2  |-  ( ph  ->  A  e.  V )
4 csbied.2 . 2  |-  ( (
ph  /\  x  =  A )  ->  B  =  C )
51, 2, 3, 4csbiedf 3169 1  |-  ( ph  ->  [_ A  /  x ]_ B  =  C
)
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    = wceq 1398    e. wcel 2202   [_csb 3128
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 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-ext 2213
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1811  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2364  df-v 2805  df-sbc 3033  df-csb 3129
This theorem is referenced by:  csbied2  3176  rspc2vd  3197  fvmptd  5736  seq3f1olemp  10823  fsumgcl  12010  fsum3  12011  fsumshftm  12069  fisum0diag2  12071  fprodseq  12207  fprodeq0  12241  imasival  13452  mulgfvalg  13771  znval  14715  psrval  14745  mplvalcoe  14774  fsumdvdsmul  15788
  Copyright terms: Public domain W3C validator