Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > anc2r | GIF version |
Description: Conjoin antecedent to right of consequent in nested implication. (Contributed by NM, 15-Aug-1994.) |
Ref | Expression |
---|---|
anc2r | ⊢ ((𝜑 → (𝜓 → 𝜒)) → (𝜑 → (𝜓 → (𝜒 ∧ 𝜑)))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pm3.21 262 | . . 3 ⊢ (𝜑 → (𝜒 → (𝜒 ∧ 𝜑))) | |
2 | 1 | imim2d 54 | . 2 ⊢ (𝜑 → ((𝜓 → 𝜒) → (𝜓 → (𝜒 ∧ 𝜑)))) |
3 | 2 | a2i 11 | 1 ⊢ ((𝜑 → (𝜓 → 𝜒)) → (𝜑 → (𝜓 → (𝜒 ∧ 𝜑)))) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia3 107 |
This theorem is referenced by: ssorduni 4471 |
Copyright terms: Public domain | W3C validator |