Theorem anbi1ci 627

Description: Variant of anbi1i 625 with commutation. (Contributed by Peter Mazsa, 7-Mar-2020.)

Hypothesis

Ref	Expression
anbi.1	⊢ (𝜑 ↔ 𝜓)

Assertion

Ref	Expression
anbi1ci	⊢ ((𝜒 ∧ 𝜑) ↔ (𝜓 ∧ 𝜒))

Proof of Theorem anbi1ci

Step	Hyp	Ref	Expression
1		anbi.1	. . 3 ⊢ (𝜑 ↔ 𝜓)
2	1	anbi2i 624	. 2 ⊢ ((𝜒 ∧ 𝜑) ↔ (𝜒 ∧ 𝜓))
3	2	biancomi 462	1 ⊢ ((𝜒 ∧ 𝜑) ↔ (𝜓 ∧ 𝜒))

Syntax hints:   ↔ wb 206   ∧ wa 395

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8

This theorem depends on definitions:  df-bi 207  df-an 396

This theorem is referenced by:  dfid3  5529  imai  6039  frpoind  6306  dfac5lem3  10047  cf0  10173  eqcuts2  27778  coep  35934  brtxp  36060  sscoid  36093  brapply  36118  dfrdg4  36133  wl-df4-3mintru2  37803  rnxrncnvepres  38744  rnxrnidres  38745  pmapglb  40216  polval2N  40352  rp-fakeoranass  43941  alephiso2  43985