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| Mirrors > Home > ILE Home > Th. List > anim12ii | GIF version | ||
| Description: Conjoin antecedents and consequents in a deduction. (Contributed by NM, 11-Nov-2007.) (Proof shortened by Wolf Lammen, 19-Jul-2013.) |
| Ref | Expression |
|---|---|
| anim12ii.1 | ⊢ (𝜑 → (𝜓 → 𝜒)) |
| anim12ii.2 | ⊢ (𝜃 → (𝜓 → 𝜏)) |
| Ref | Expression |
|---|---|
| anim12ii | ⊢ ((𝜑 ∧ 𝜃) → (𝜓 → (𝜒 ∧ 𝜏))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | anim12ii.1 | . . 3 ⊢ (𝜑 → (𝜓 → 𝜒)) | |
| 2 | 1 | adantr 276 | . 2 ⊢ ((𝜑 ∧ 𝜃) → (𝜓 → 𝜒)) |
| 3 | anim12ii.2 | . . 3 ⊢ (𝜃 → (𝜓 → 𝜏)) | |
| 4 | 3 | adantl 277 | . 2 ⊢ ((𝜑 ∧ 𝜃) → (𝜓 → 𝜏)) |
| 5 | 2, 4 | jcad 307 | 1 ⊢ ((𝜑 ∧ 𝜃) → (𝜓 → (𝜒 ∧ 𝜏))) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This theorem is referenced by: euim 2113 elex22 2778 tz7.2 4390 funcnvuni 5328 bj-findis 15709 |
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