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Theorem 3pm3.2i 1202
Description: Infer conjunction of premises. (Contributed by NM, 10-Feb-1995.)
Hypotheses
Ref Expression
3pm3.2i.1 𝜑
3pm3.2i.2 𝜓
3pm3.2i.3 𝜒
Assertion
Ref Expression
3pm3.2i (𝜑𝜓𝜒)

Proof of Theorem 3pm3.2i
StepHypRef Expression
1 3pm3.2i.1 . . 3 𝜑
2 3pm3.2i.2 . . 3 𝜓
31, 2pm3.2i 272 . 2 (𝜑𝜓)
4 3pm3.2i.3 . 2 𝜒
5 df-3an 1007 . 2 ((𝜑𝜓𝜒) ↔ ((𝜑𝜓) ∧ 𝜒))
63, 4, 5mpbir2an 951 1 (𝜑𝜓𝜒)
Colors of variables: wff set class
Syntax hints:  wa 104  w3a 1005
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  df-3an 1007
This theorem is referenced by:  mpbir3an  1206  3jaoi  1340  ftp  5871  4bc2eq6  11145  halfleoddlt  12588  ballotfilemonn  13148  strleun  13338  strle1g  13340  slotstnscsi  13429  slotsdnscsi  13457  slotsdifunifndx  13466  2irrexpqap  15892  lgslem2  15923  lgsdir2lem2  15951  lgsdir2lem3  15952  usgrexmpldifpr  16293  0grsubgr  16308  konigsberglem4  16535  konigsberglem5  16536  ex-dvds  16547  nconstwlpolem0  16898
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