Theorem impoe-P4.4a.CL 379

Description: Closed Form of impoe-P4.4a 377. †

Assertion

Ref	Expression
impoe-P4.4a.CL	⊢ (¬ 𝜑 → (𝜑 → 𝜓))

Proof of Theorem impoe-P4.4a.CL

Step	Hyp	Ref	Expression
1		rcp-NDASM1of1 192	. 2 ⊢ (¬ 𝜑 → ¬ 𝜑)
2	1	impoe-P4.4a 377	1 ⊢ (¬ 𝜑 → (𝜑 → 𝜓))

Syntax hints:  ¬ wff-neg 9   → wff-imp 10

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-true-D2.4 155

This theorem is referenced by:  qimeqallhalf-P5  609  qimeqex-P5-L1  610  psubim-P6-L2  790