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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 115 | . . 3 ⊢ (𝜑 → (𝜓 → 𝜒)) |
| 3 | anim12dan.2 | . . . 4 ⊢ ((𝜑 ∧ 𝜃) → 𝜏) | |
| 4 | 3 | ex 115 | . . 3 ⊢ (𝜑 → (𝜃 → 𝜏)) |
| 5 | 2, 4 | anim12d 335 | . 2 ⊢ (𝜑 → ((𝜓 ∧ 𝜃) → (𝜒 ∧ 𝜏))) |
| 6 | 5 | imp 124 | 1 ⊢ ((𝜑 ∧ (𝜓 ∧ 𝜃)) → (𝜒 ∧ 𝜏)) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 104 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This proof depends on definitions: df-bi 117 |
| This theorem is used by: xpexr2m 5229 isocnv 6017 f1oiso 6032 f1oiso2 6033 f1o2ndf1 6464 xpf1o 7144 pc11 13112 imasaddfnlemg 13637 imasaddflemg 13639 mhmpropd 13775 ghmsub 14056 invrpropdg 14458 znidom 14994 tgclb 15168 innei 15266 txcn 15378 plymullem1 15851 lgsdir2 16164 |
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