| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 5232 isocnv 6020 f1oiso 6035 f1oiso2 6036 f1o2ndf1 6468 xpf1o 7149 pc11 13140 imasaddfnlemg 13695 imasaddflemg 13697 mhmpropd 13833 ghmsub 14114 invrpropdg 14566 znidom 15102 tgclb 15303 innei 15401 txcn 15513 plymullem1 15986 lgsdir2 16369 |
| Copyright terms: Public domain | W3C validator |