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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 6149 ovmpoga 6150 nnanq0 7677 apreim 8782 apsub1 8821 divassap 8869 ltmul2 9035 xleadd1 10109 xltadd2 10111 elfzo 10383 fzodcel 10387 subcn2 11871 mulcn2 11872 ndvdsp1 12492 gcddiv 12589 lcmneg 12645 mulgaddcom 13732 lspsnss 14417 rnglidlrng 14511 neipsm 14877 opnneip 14882 hmeof1o2 15031 blcntrps 15138 blcntr 15139 neibl 15214 blnei 15215 metss 15217 rpcxpsub 15631 cxpcom 15661 rplogbzexp 15677 |
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