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Mirrors > Home > ILE Home > Th. List > anim12dan | GIF version |
Description: Conjoin antecedents and consequents in a deduction. (Contributed by Mario Carneiro, 12-May-2014.) |
Ref | Expression |
---|---|
anim12dan.1 | ⊢ ((𝜑 ∧ 𝜓) → 𝜒) |
anim12dan.2 | ⊢ ((𝜑 ∧ 𝜃) → 𝜏) |
Ref | Expression |
---|---|
anim12dan | ⊢ ((𝜑 ∧ (𝜓 ∧ 𝜃)) → (𝜒 ∧ 𝜏)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | anim12dan.1 | . . . 4 ⊢ ((𝜑 ∧ 𝜓) → 𝜒) | |
2 | 1 | ex 108 | . . 3 ⊢ (𝜑 → (𝜓 → 𝜒)) |
3 | anim12dan.2 | . . . 4 ⊢ ((𝜑 ∧ 𝜃) → 𝜏) | |
4 | 3 | ex 108 | . . 3 ⊢ (𝜑 → (𝜃 → 𝜏)) |
5 | 2, 4 | anim12d 318 | . 2 ⊢ (𝜑 → ((𝜓 ∧ 𝜃) → (𝜒 ∧ 𝜏))) |
6 | 5 | imp 115 | 1 ⊢ ((𝜑 ∧ (𝜓 ∧ 𝜃)) → (𝜒 ∧ 𝜏)) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 97 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 |
This theorem depends on definitions: df-bi 110 |
This theorem is referenced by: xpexr2m 4762 isocnv 5451 f1oiso 5465 f1oiso2 5466 f1o2ndf1 5849 |
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