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Theorem imbi1i 238
Description: Introduce a consequent to both sides of a logical equivalence. (Contributed by NM, 5-Aug-1993.) (Proof shortened by Wolf Lammen, 17-Sep-2013.)
Hypothesis
Ref Expression
imbi1i.1 (𝜑𝜓)
Assertion
Ref Expression
imbi1i ((𝜑𝜒) ↔ (𝜓𝜒))

Proof of Theorem imbi1i
StepHypRef Expression
1 imbi1i.1 . 2 (𝜑𝜓)
2 imbi1 236 . 2 ((𝜑𝜓) → ((𝜑𝜒) ↔ (𝜓𝜒)))
31, 2ax-mp 5 1 ((𝜑𝜒) ↔ (𝜓𝜒))
Colors of variables: wff set class
Syntax hints:  wi 4  wb 105
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108
This theorem depends on definitions:  df-bi 117
This theorem is referenced by:  imbi12i  239  ancomsimp  1485  sbrim  2009  sbal1yz  2054  sbmo  2139  mo4f  2140  moanim  2154  necon4addc  2472  necon1bddc  2479  nfraldya  2567  r3al  2576  r19.23t  2640  ceqsralt  2830  ralab  2966  ralrab  2967  euind  2993  reu2  2994  rmo4  2999  rmo3f  3003  rmo4f  3004  reuind  3011  rmo3  3124  dfdif3  3317  raldifb  3347  unss  3381  ralunb  3388  inssdif0im  3562  ssundifim  3578  raaan  3600  pwss  3668  ralsnsg  3706  ralsns  3707  disjsn  3731  snssOLD  3799  snssb  3806  unissb  3923  intun  3959  intpr  3960  dfiin2g  4003  dftr2  4189  repizf2lem  4251  axpweq  4261  zfpow  4265  axpow2  4266  zfun  4531  uniex2  4533  setindel  4636  setind  4637  elirr  4639  en2lp  4652  zfregfr  4672  tfi  4680  raliunxp  4871  dffun2  5336  dffun4  5337  dffun4f  5342  dffun7  5353  funcnveq  5393  fununi  5398  pw1dc0el  7102  fiintim  7122  addnq0mo  7666  mulnq0mo  7667  addsrmo  7962  mulsrmo  7963  prime  9578  raluz2  9812  ralrp  9909  modfsummod  12018  nnwosdc  12609  isprm4  12690  dedekindicclemicc  15355  bdcriota  16478  bj-uniex2  16511  bj-ssom  16531
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