Theorem mdandyv3 46910

Description: Given the equivalences set in the hypotheses, there exist a proof where ch, th, ta, et match ph, ps accordingly. (Contributed by Jarvin Udandy, 6-Sep-2016.)

Hypotheses

Ref	Expression
mdandyv3.1	⊢ (𝜑 ↔ ⊥)
mdandyv3.2	⊢ (𝜓 ↔ ⊤)
mdandyv3.3	⊢ (𝜒 ↔ ⊤)
mdandyv3.4	⊢ (𝜃 ↔ ⊤)
mdandyv3.5	⊢ (𝜏 ↔ ⊥)
mdandyv3.6	⊢ (𝜂 ↔ ⊥)

Assertion

Ref	Expression
mdandyv3	⊢ ((((𝜒 ↔ 𝜓) ∧ (𝜃 ↔ 𝜓)) ∧ (𝜏 ↔ 𝜑)) ∧ (𝜂 ↔ 𝜑))

Proof of Theorem mdandyv3

Step	Hyp	Ref	Expression
1		mdandyv3.3	. . . . 5 ⊢ (𝜒 ↔ ⊤)
2		mdandyv3.2	. . . . 5 ⊢ (𝜓 ↔ ⊤)
3	1, 2	bothtbothsame 46857	. . . 4 ⊢ (𝜒 ↔ 𝜓)
4		mdandyv3.4	. . . . 5 ⊢ (𝜃 ↔ ⊤)
5	4, 2	bothtbothsame 46857	. . . 4 ⊢ (𝜃 ↔ 𝜓)
6	3, 5	pm3.2i 470	. . 3 ⊢ ((𝜒 ↔ 𝜓) ∧ (𝜃 ↔ 𝜓))
7		mdandyv3.5	. . . 4 ⊢ (𝜏 ↔ ⊥)
8		mdandyv3.1	. . . 4 ⊢ (𝜑 ↔ ⊥)
9	7, 8	bothfbothsame 46858	. . 3 ⊢ (𝜏 ↔ 𝜑)
10	6, 9	pm3.2i 470	. 2 ⊢ (((𝜒 ↔ 𝜓) ∧ (𝜃 ↔ 𝜓)) ∧ (𝜏 ↔ 𝜑))
11		mdandyv3.6	. . 3 ⊢ (𝜂 ↔ ⊥)
12	11, 8	bothfbothsame 46858	. 2 ⊢ (𝜂 ↔ 𝜑)
13	10, 12	pm3.2i 470	1 ⊢ ((((𝜒 ↔ 𝜓) ∧ (𝜃 ↔ 𝜓)) ∧ (𝜏 ↔ 𝜑)) ∧ (𝜂 ↔ 𝜑))

Syntax hints:   ↔ wb 206   ∧ wa 395  ⊤wtru 1540  ⊥wfal 1551

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: (None)