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Theorem csbconstgf 3446
Description: Substitution doesn't affect a constant (in which is not free). (Contributed by NM, 10-Nov-2005.)
Hypothesis
Ref Expression
csbconstgf.1
Assertion
Ref Expression
csbconstgf

Proof of Theorem csbconstgf
StepHypRef Expression
1 csbconstgf.1 . 2
2 csbtt 3445 . 2
31, 2mpan2 671 1
Colors of variables: wff setvar class
Syntax hints:  ->wi 4  =wceq 1395  e.wcel 1818  F/_wnfc 2605  [_csb 3434
This theorem is referenced by:  csbconstg  3447  fmptdF  27495
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1618  ax-4 1631  ax-5 1704  ax-6 1747  ax-7 1790  ax-10 1837  ax-11 1842  ax-12 1854  ax-13 1999  ax-ext 2435
This theorem depends on definitions:  df-bi 185  df-an 371  df-tru 1398  df-ex 1613  df-nf 1617  df-sb 1740  df-clab 2443  df-cleq 2449  df-clel 2452  df-nfc 2607  df-v 3111  df-sbc 3328  df-csb 3435
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