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| 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 1233 | . . 3 ⊢ (𝜓 → (𝜒 → (𝜃 → 𝜏))) |
| 4 | 1, 3 | syl7 69 | . 2 ⊢ (𝜓 → (𝜒 → (𝜑 → 𝜏))) |
| 5 | 4 | 3imp 1224 | 1 ⊢ ((𝜓 ∧ 𝜒 ∧ 𝜑) → 𝜏) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ w3a 1009 |
| 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 1011 |
| This theorem is referenced by: syl3an3b 1316 syl3an3br 1319 vtoclgft 2873 ovmpox 6207 ovmpoga 6208 nnanq0 7815 apreim 8921 apsub1 8960 divassap 9010 ltmul2 9176 xleadd1 10256 xltadd2 10258 elfzo 10534 fzodcel 10538 subcn2 12055 mulcn2 12056 ndvdsp1 12677 gcddiv 12774 lcmneg 12830 mulgaddcom 13926 lspsnss 14713 rnglidlrng 14807 neipsm 15178 opnneip 15183 hmeof1o2 15332 blcntrps 15439 blcntr 15440 neibl 15515 blnei 15516 metss 15518 rpcxpsub 15933 cxpcom 15963 rplogbzexp 15979 konigsbergssiedgwpren 16640 |
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