Theorem simpr3r 1254

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

Assertion

Ref	Expression
simpr3r	⊢ ((𝜏 ∧ (𝜒 ∧ 𝜃 ∧ (𝜑 ∧ 𝜓))) → 𝜓)

Proof of Theorem simpr3r

Step	Hyp	Ref	Expression
1		simprr 785	. 2 ⊢ ((𝜏 ∧ (𝜑 ∧ 𝜓)) → 𝜓)
2	1	3ad2antr3 1209	1 ⊢ ((𝜏 ∧ (𝜒 ∧ 𝜃 ∧ (𝜑 ∧ 𝜓))) → 𝜓)

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:  poxp2  8141  ax5seg  29317  segconeq  36515  ifscgr  36549  btwnconn1lem9  36600  btwnconn1lem11  36602  btwnconn1lem12  36603  lplnexllnN  40371  cdleme3b  41036  cdleme3c  41037  cdleme3e  41039  cdleme27a  41174