Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > syl3an3 | GIF version |
Description: A syllogism inference. (Contributed by NM, 22-Aug-1995.) |
Ref | Expression |
---|---|
syl3an3.1 | ⊢ (𝜑 → 𝜃) |
syl3an3.2 | ⊢ ((𝜓 ∧ 𝜒 ∧ 𝜃) → 𝜏) |
Ref | Expression |
---|---|
syl3an3 | ⊢ ((𝜓 ∧ 𝜒 ∧ 𝜑) → 𝜏) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | syl3an3.1 | . . 3 ⊢ (𝜑 → 𝜃) | |
2 | syl3an3.2 | . . . 4 ⊢ ((𝜓 ∧ 𝜒 ∧ 𝜃) → 𝜏) | |
3 | 2 | 3exp 1103 | . . 3 ⊢ (𝜓 → (𝜒 → (𝜃 → 𝜏))) |
4 | 1, 3 | syl7 63 | . 2 ⊢ (𝜓 → (𝜒 → (𝜑 → 𝜏))) |
5 | 4 | 3imp 1098 | 1 ⊢ ((𝜓 ∧ 𝜒 ∧ 𝜑) → 𝜏) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ w3a 885 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 |
This theorem depends on definitions: df-bi 110 df-3an 887 |
This theorem is referenced by: syl3an3b 1173 syl3an3br 1176 vtoclgft 2604 ovmpt2x 5629 ovmpt2ga 5630 nnanq0 6556 apreim 7594 divassap 7669 ltmul2 7822 elfzo 9006 subcn2 9832 mulcn2 9833 |
Copyright terms: Public domain | W3C validator |