Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > simplbda | GIF version |
Description: Deduction eliminating a conjunct. (Contributed by NM, 22-Oct-2007.) |
Ref | Expression |
---|---|
pm3.26bda.1 | ⊢ (𝜑 → (𝜓 ↔ (𝜒 ∧ 𝜃))) |
Ref | Expression |
---|---|
simplbda | ⊢ ((𝜑 ∧ 𝜓) → 𝜃) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pm3.26bda.1 | . . 3 ⊢ (𝜑 → (𝜓 ↔ (𝜒 ∧ 𝜃))) | |
2 | 1 | biimpa 294 | . 2 ⊢ ((𝜑 ∧ 𝜓) → (𝜒 ∧ 𝜃)) |
3 | 2 | simprd 113 | 1 ⊢ ((𝜑 ∧ 𝜓) → 𝜃) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 ↔ wb 104 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 |
This theorem depends on definitions: df-bi 116 |
This theorem is referenced by: tgcl 12605 cldopn 12648 cncnp 12771 blgt0 12943 xblss2ps 12945 xblss2 12946 mopni 13023 metrest 13047 dvcl 13193 dvcnp2cntop 13204 |
Copyright terms: Public domain | W3C validator |