Mathbox for Jarvin Udandy |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > bisaiaisb | Structured version Visualization version GIF version |
Description: Application of bicom1 with a, b swapped. (Contributed by Jarvin Udandy, 31-Aug-2016.) |
Ref | Expression |
---|---|
bisaiaisb | ⊢ ((𝜓 ↔ 𝜑) → (𝜑 ↔ 𝜓)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bicom1 224 | 1 ⊢ ((𝜓 ↔ 𝜑) → (𝜑 ↔ 𝜓)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 |
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 210 |
This theorem is referenced by: (None) |
Copyright terms: Public domain | W3C validator |