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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 1181 | . . 3 ⊢ (𝜓 → (𝜒 → (𝜃 → 𝜏))) |
4 | 1, 3 | syl7 69 | . 2 ⊢ (𝜓 → (𝜒 → (𝜑 → 𝜏))) |
5 | 4 | 3imp 1176 | 1 ⊢ ((𝜓 ∧ 𝜒 ∧ 𝜑) → 𝜏) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ w3a 963 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 |
This theorem depends on definitions: df-bi 116 df-3an 965 |
This theorem is referenced by: syl3an3b 1255 syl3an3br 1258 vtoclgft 2739 ovmpox 5907 ovmpoga 5908 nnanq0 7290 apreim 8389 apsub1 8428 divassap 8474 ltmul2 8638 xleadd1 9688 xltadd2 9690 elfzo 9957 fzodcel 9960 subcn2 11112 mulcn2 11113 ndvdsp1 11665 gcddiv 11743 lcmneg 11791 neipsm 12362 opnneip 12367 hmeof1o2 12516 blcntrps 12623 blcntr 12624 neibl 12699 blnei 12700 metss 12702 rpcxpsub 13037 cxpcom 13065 rplogbzexp 13079 |
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