MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  nfof Unicode version

Theorem nfof 6267
Description: Hypothesis builder for function operation. (Contributed by Mario Carneiro, 20-Jul-2014.)
Ref Expression
nfof.1  |-  F/_ x R
Ref Expression
nfof  |-  F/_ x  o F R
Distinct variable group:    x, R

Proof of Theorem nfof
StepHypRef Expression
1 nfcv 2538 1  |-  F/_ x  o F R
Colors of variables: wff set class
Syntax hints:   F/_wnfc 2525    o Fcof 6260
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1552  ax-17 1623
This theorem depends on definitions:  df-bi 178  df-nf 1551  df-nfc 2527
  Copyright terms: Public domain W3C validator