Theorem ndoril-P3.10.CL 245

Description: Closed Form of ndoril-P3.10 175. †

Assertion

Ref	Expression
ndoril-P3.10.CL	⊢ (𝜑 → (𝜓 ∨ 𝜑))

Proof of Theorem ndoril-P3.10.CL

Step	Hyp	Ref	Expression
1		rcp-NDASM1of1 192	. 2 ⊢ (𝜑 → 𝜑)
2	1	ndoril-P3.10 175	1 ⊢ (𝜑 → (𝜓 ∨ 𝜑))

Syntax hints:   → wff-imp 10   ∨ wff-or 144

This theorem was proved from axioms:  ax-L1 11  ax-L2 12  ax-L3 13  ax-MP 14

This theorem depends on definitions:  df-bi-D2.1 107  df-and-D2.2 133  df-or-D2.3 145  df-true-D2.4 155

This theorem is referenced by:  idorfalsel-P4.20a  440  idempotor-P4.25b  451