Theorem biref-P3.33a 297

Description: Equivalence Property: '↔' Reflexivity. †

Assertion

Ref	Expression
biref-P3.33a	⊢ (𝜑 ↔ 𝜑)

Proof of Theorem biref-P3.33a

Step	Hyp	Ref	Expression
1		rcp-NDASM1of1 192	. 2 ⊢ (𝜑 → 𝜑)
2	1, 1	rcp-NDBII0 239	1 ⊢ (𝜑 ↔ 𝜑)

Syntax hints:   ↔ wff-bi 104

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:  truthtbltbit-P4.39a  507  truthtblfbif-P4.39d  510  qremallv-P5  656  qremexv-P5  657  nfrv-P6  686  solvesub-P6a.VR  705