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Mirrors > Home > ILE Home > Th. List > alanimi | GIF version |
Description: Variant of al2imi 1387 with conjunctive antecedent. (Contributed by Andrew Salmon, 8-Jun-2011.) |
Ref | Expression |
---|---|
alanimi.1 | ⊢ ((𝜑 ∧ 𝜓) → 𝜒) |
Ref | Expression |
---|---|
alanimi | ⊢ ((∀𝑥𝜑 ∧ ∀𝑥𝜓) → ∀𝑥𝜒) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | alanimi.1 | . . . 4 ⊢ ((𝜑 ∧ 𝜓) → 𝜒) | |
2 | 1 | ex 113 | . . 3 ⊢ (𝜑 → (𝜓 → 𝜒)) |
3 | 2 | al2imi 1387 | . 2 ⊢ (∀𝑥𝜑 → (∀𝑥𝜓 → ∀𝑥𝜒)) |
4 | 3 | imp 122 | 1 ⊢ ((∀𝑥𝜑 ∧ ∀𝑥𝜓) → ∀𝑥𝜒) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 102 ∀wal 1282 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-5 1376 ax-gen 1378 |
This theorem is referenced by: 19.26 1410 alsyl 1566 vtoclgft 2649 euind 2779 reuind 2795 sbeqalb 2870 bm1.3ii 3899 trin2 4736 bdbm1.3ii 10682 |
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