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Mirrors > Home > MPE Home > Th. List > Mathboxes > axfrege58a | Structured version Visualization version GIF version |
Description: Identical to anifp 1071. Justification for ax-frege58a 42235. (Contributed by RP, 28-Mar-2020.) |
Ref | Expression |
---|---|
axfrege58a | ⊢ ((𝜓 ∧ 𝜒) → if-(𝜑, 𝜓, 𝜒)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | anifp 1071 | 1 ⊢ ((𝜓 ∧ 𝜒) → if-(𝜑, 𝜓, 𝜒)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 397 if-wif 1062 |
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 398 df-or 847 df-ifp 1063 |
This theorem is referenced by: (None) |
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