ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  3adant3r GIF version

Theorem 3adant3r 1224
Description: Deduction adding a conjunct to antecedent. (Contributed by NM, 8-Jan-2006.)
Hypothesis
Ref Expression
3adant1l.1 ((𝜑𝜓𝜒) → 𝜃)
Assertion
Ref Expression
3adant3r ((𝜑𝜓 ∧ (𝜒𝜏)) → 𝜃)

Proof of Theorem 3adant3r
StepHypRef Expression
1 3adant1l.1 . . . 4 ((𝜑𝜓𝜒) → 𝜃)
213com13 1197 . . 3 ((𝜒𝜓𝜑) → 𝜃)
323adant1r 1220 . 2 (((𝜒𝜏) ∧ 𝜓𝜑) → 𝜃)
433com13 1197 1 ((𝜑𝜓 ∧ (𝜒𝜏)) → 𝜃)
Colors of variables: wff set class
Syntax hints:  wi 4  wa 103  w3a 967
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107
This theorem depends on definitions:  df-bi 116  df-3an 969
This theorem is referenced by:  addassnqg  7314  mulassnqg  7316  prarloc  7435  ltpopr  7527  ltexprlemfl  7541  ltexprlemfu  7543  addasssrg  7688  axaddass  7804  apmul1  8675  ltmul2  8742  lemul2  8743  dvdscmulr  11746  dvdsmulcr  11747  modremain  11851  ndvdsadd  11853  rpexp12i  12064  xblcntrps  12954  xblcntr  12955
  Copyright terms: Public domain W3C validator