Theorem simpr33 1284

Description: Simplification of conjunction. (Contributed by NM, 9-Mar-2012.) (Proof shortened by Wolf Lammen, 24-Jun-2022.)

Assertion

Ref	Expression
simpr33	⊢ ((𝜂 ∧ (𝜃 ∧ 𝜏 ∧ (𝜑 ∧ 𝜓 ∧ 𝜒))) → 𝜒)

Proof of Theorem simpr33

Step	Hyp	Ref	Expression
1		simpr3 1215	. 2 ⊢ ((𝜂 ∧ (𝜑 ∧ 𝜓 ∧ 𝜒)) → 𝜒)
2	1	3ad2antr3 1209	1 ⊢ ((𝜂 ∧ (𝜃 ∧ 𝜏 ∧ (𝜑 ∧ 𝜓 ∧ 𝜒))) → 𝜒)

This proof depends on syntax axioms:   → wi 4   ∧ wa 401   ∧ w3a 1103

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8

This proof depends on definitions:  df-bi 210  df-an 402  df-3an 1105

This theorem is used by:  oppccatid  17900  subccatid  18028  fuccatid  18154  setccatid  18266  catccatid  18288  estrccatid  18313  xpccatid  18369  nllyidm  23815  utoptop  24560  cgr3tr4  36911  paddasslem9  40992  cdlemd1  41362  cdlemf2  41726  cdlemk34  42074  dihmeetlem18N  42488  dihmeetlem19N  42489  ssccatid  50293  isthincd2  50679  mndtccatid  50832