Theorem mdandyvrx8 44435

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

Hypotheses

Ref	Expression
mdandyvrx8.1	⊢ (𝜑 ⊻ 𝜁)
mdandyvrx8.2	⊢ (𝜓 ⊻ 𝜎)
mdandyvrx8.3	⊢ (𝜒 ↔ 𝜑)
mdandyvrx8.4	⊢ (𝜃 ↔ 𝜑)
mdandyvrx8.5	⊢ (𝜏 ↔ 𝜑)
mdandyvrx8.6	⊢ (𝜂 ↔ 𝜓)

Assertion

Ref	Expression
mdandyvrx8	⊢ ((((𝜒 ⊻ 𝜁) ∧ (𝜃 ⊻ 𝜁)) ∧ (𝜏 ⊻ 𝜁)) ∧ (𝜂 ⊻ 𝜎))

Proof of Theorem mdandyvrx8

Step	Hyp	Ref	Expression
1		mdandyvrx8.2	. 2 ⊢ (𝜓 ⊻ 𝜎)
2		mdandyvrx8.1	. 2 ⊢ (𝜑 ⊻ 𝜁)
3		mdandyvrx8.3	. 2 ⊢ (𝜒 ↔ 𝜑)
4		mdandyvrx8.4	. 2 ⊢ (𝜃 ↔ 𝜑)
5		mdandyvrx8.5	. 2 ⊢ (𝜏 ↔ 𝜑)
6		mdandyvrx8.6	. 2 ⊢ (𝜂 ↔ 𝜓)
7	1, 2, 3, 4, 5, 6	mdandyvrx7 44434	1 ⊢ ((((𝜒 ⊻ 𝜁) ∧ (𝜃 ⊻ 𝜁)) ∧ (𝜏 ⊻ 𝜁)) ∧ (𝜂 ⊻ 𝜎))

Syntax hints:   ↔ wb 205   ∧ wa 395   ⊻ wxo 1505

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 396  df-xor 1506

This theorem is referenced by: (None)