| 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 1226 | . . 3 ⊢ (𝜓 → (𝜒 → (𝜃 → 𝜏))) |
| 4 | 1, 3 | syl7 69 | . 2 ⊢ (𝜓 → (𝜒 → (𝜑 → 𝜏))) |
| 5 | 4 | 3imp 1217 | 1 ⊢ ((𝜓 ∧ 𝜒 ∧ 𝜑) → 𝜏) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ w3a 1002 |
| 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 depends on definitions: df-bi 117 df-3an 1004 |
| This theorem is referenced by: syl3an3b 1309 syl3an3br 1312 vtoclgft 2852 ovmpox 6145 ovmpoga 6146 nnanq0 7668 apreim 8773 apsub1 8812 divassap 8860 ltmul2 9026 xleadd1 10100 xltadd2 10102 elfzo 10374 fzodcel 10378 subcn2 11862 mulcn2 11863 ndvdsp1 12483 gcddiv 12580 lcmneg 12636 mulgaddcom 13723 lspsnss 14408 rnglidlrng 14502 neipsm 14868 opnneip 14873 hmeof1o2 15022 blcntrps 15129 blcntr 15130 neibl 15205 blnei 15206 metss 15208 rpcxpsub 15622 cxpcom 15652 rplogbzexp 15668 |
| Copyright terms: Public domain | W3C validator |