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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 1228 | . . 3 ⊢ (𝜓 → (𝜒 → (𝜃 → 𝜏))) |
| 4 | 1, 3 | syl7 69 | . 2 ⊢ (𝜓 → (𝜒 → (𝜑 → 𝜏))) |
| 5 | 4 | 3imp 1219 | 1 ⊢ ((𝜓 ∧ 𝜒 ∧ 𝜑) → 𝜏) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ w3a 1004 |
| 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 1006 |
| This theorem is referenced by: syl3an3b 1311 syl3an3br 1314 vtoclgft 2854 ovmpox 6150 ovmpoga 6151 nnanq0 7678 apreim 8783 apsub1 8822 divassap 8870 ltmul2 9036 xleadd1 10110 xltadd2 10112 elfzo 10384 fzodcel 10388 subcn2 11876 mulcn2 11877 ndvdsp1 12498 gcddiv 12595 lcmneg 12651 mulgaddcom 13738 lspsnss 14424 rnglidlrng 14518 neipsm 14884 opnneip 14889 hmeof1o2 15038 blcntrps 15145 blcntr 15146 neibl 15221 blnei 15222 metss 15224 rpcxpsub 15638 cxpcom 15668 rplogbzexp 15684 |
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