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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  1483  sbrim  2007  sbal1yz  2052  sbmo  2137  mo4f  2138  moanim  2152  necon4addc  2470  necon1bddc  2477  nfraldya  2565  r3al  2574  r19.23t  2638  ceqsralt  2827  ralab  2963  ralrab  2964  euind  2990  reu2  2991  rmo4  2996  rmo3f  3000  rmo4f  3001  reuind  3008  rmo3  3121  dfdif3  3314  raldifb  3344  unss  3378  ralunb  3385  inssdif0im  3559  ssundifim  3575  raaan  3597  pwss  3665  ralsnsg  3703  ralsns  3704  disjsn  3728  snssOLD  3794  snssb  3801  unissb  3918  intun  3954  intpr  3955  dfiin2g  3998  dftr2  4184  repizf2lem  4245  axpweq  4255  zfpow  4259  axpow2  4260  zfun  4525  uniex2  4527  setindel  4630  setind  4631  elirr  4633  en2lp  4646  zfregfr  4666  tfi  4674  raliunxp  4863  dffun2  5328  dffun4  5329  dffun4f  5334  dffun7  5345  funcnveq  5384  fununi  5389  pw1dc0el  7084  fiintim  7104  addnq0mo  7645  mulnq0mo  7646  addsrmo  7941  mulsrmo  7942  prime  9557  raluz2  9786  ralrp  9883  modfsummod  11984  nnwosdc  12575  isprm4  12656  dedekindicclemicc  15321  bdcriota  16301  bj-uniex2  16334  bj-ssom  16354
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