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Mirrors > Home > ILE Home > Th. List > jaob | GIF version |
Description: Disjunction of antecedents. Compare Theorem *4.77 of [WhiteheadRussell] p. 121. (Contributed by NM, 30-May-1994.) (Revised by Mario Carneiro, 31-Jan-2015.) |
Ref | Expression |
---|---|
jaob | ⊢ (((𝜑 ∨ 𝜒) → 𝜓) ↔ ((𝜑 → 𝜓) ∧ (𝜒 → 𝜓))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-io 630 | 1 ⊢ (((𝜑 ∨ 𝜒) → 𝜓) ↔ ((𝜑 → 𝜓) ∧ (𝜒 → 𝜓))) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 97 ↔ wb 98 ∨ wo 629 |
This theorem was proved from axioms: ax-io 630 |
This theorem is referenced by: olc 632 orc 633 pm3.44 635 pm4.77 712 pm5.53 715 unss 3117 ralunb 3124 intun 3646 intpr 3647 relop 4486 indstr 8536 sqrt2irr 9878 algcvgblem 9888 |
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