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Theorem 3anim123i 1215
Description: Join antecedents and consequents with conjunction. (Contributed by NM, 8-Apr-1994.)
Hypotheses
Ref Expression
3anim123i.1 (𝜑𝜓)
3anim123i.2 (𝜒𝜃)
3anim123i.3 (𝜏𝜂)
Assertion
Ref Expression
3anim123i ((𝜑𝜒𝜏) → (𝜓𝜃𝜂))

Proof of Theorem 3anim123i
StepHypRef Expression
1 3anim123i.1 . . 3 (𝜑𝜓)
213ad2ant1 1049 . 2 ((𝜑𝜒𝜏) → 𝜓)
3 3anim123i.2 . . 3 (𝜒𝜃)
433ad2ant2 1050 . 2 ((𝜑𝜒𝜏) → 𝜃)
5 3anim123i.3 . . 3 (𝜏𝜂)
653ad2ant3 1051 . 2 ((𝜑𝜒𝜏) → 𝜂)
72, 4, 63jca 1208 1 ((𝜑𝜒𝜏) → (𝜓𝜃𝜂))
Colors of variables:    wff set class
This proof depends on syntax axioms:  wi 4  w3a 1009
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108
This proof depends on definitions:  df-bi 117  df-3an 1011
This theorem is used by:  3anim1i  1216  3anim2i  1217  3anim3i  1218  syl3an  1320  syl3anl  1329  spc3egv  2917  spc3gv  2918  eloprabga  6175  le2tri3i  8434  fzmmmeqm  10464  elfz1b  10497  elfz0fzfz0  10533  elfzmlbp  10539  elfzo1  10603  flltdivnn0lt  10739  pfxeq  11468  swrdswrd  11477  swrdccat  11507  modmulconst  12590  nndvdslegcd  12742  lgsmulsqcoprm  16165
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