Theorem mdandyvr0 44460

Description: Given the equivalences set in the hypotheses, there exist a proof where ch, th, ta, et match ze, si accordingly. (Contributed by Jarvin Udandy, 7-Sep-2016.)

Hypotheses

Ref	Expression
mdandyvr0.1	⊢ (𝜑 ↔ 𝜁)
mdandyvr0.2	⊢ (𝜓 ↔ 𝜎)
mdandyvr0.3	⊢ (𝜒 ↔ 𝜑)
mdandyvr0.4	⊢ (𝜃 ↔ 𝜑)
mdandyvr0.5	⊢ (𝜏 ↔ 𝜑)
mdandyvr0.6	⊢ (𝜂 ↔ 𝜑)

Assertion

Ref	Expression
mdandyvr0	⊢ ((((𝜒 ↔ 𝜁) ∧ (𝜃 ↔ 𝜁)) ∧ (𝜏 ↔ 𝜁)) ∧ (𝜂 ↔ 𝜁))

Proof of Theorem mdandyvr0

Step	Hyp	Ref	Expression
1		mdandyvr0.3	. . . . 5 ⊢ (𝜒 ↔ 𝜑)
2		mdandyvr0.1	. . . . 5 ⊢ (𝜑 ↔ 𝜁)
3	1, 2	bitri 274	. . . 4 ⊢ (𝜒 ↔ 𝜁)
4		mdandyvr0.4	. . . . 5 ⊢ (𝜃 ↔ 𝜑)
5	4, 2	bitri 274	. . . 4 ⊢ (𝜃 ↔ 𝜁)
6	3, 5	pm3.2i 471	. . 3 ⊢ ((𝜒 ↔ 𝜁) ∧ (𝜃 ↔ 𝜁))
7		mdandyvr0.5	. . . 4 ⊢ (𝜏 ↔ 𝜑)
8	7, 2	bitri 274	. . 3 ⊢ (𝜏 ↔ 𝜁)
9	6, 8	pm3.2i 471	. 2 ⊢ (((𝜒 ↔ 𝜁) ∧ (𝜃 ↔ 𝜁)) ∧ (𝜏 ↔ 𝜁))
10		mdandyvr0.6	. . 3 ⊢ (𝜂 ↔ 𝜑)
11	10, 2	bitri 274	. 2 ⊢ (𝜂 ↔ 𝜁)
12	9, 11	pm3.2i 471	1 ⊢ ((((𝜒 ↔ 𝜁) ∧ (𝜃 ↔ 𝜁)) ∧ (𝜏 ↔ 𝜁)) ∧ (𝜂 ↔ 𝜁))

Syntax hints:   ↔ wb 205   ∧ wa 396

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 206  df-an 397

This theorem is referenced by:  mdandyvr15  44475