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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 1180 | . . 3 ⊢ (𝜓 → (𝜒 → (𝜃 → 𝜏))) |
4 | 1, 3 | syl7 69 | . 2 ⊢ (𝜓 → (𝜒 → (𝜑 → 𝜏))) |
5 | 4 | 3imp 1175 | 1 ⊢ ((𝜓 ∧ 𝜒 ∧ 𝜑) → 𝜏) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ w3a 962 |
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 964 |
This theorem is referenced by: syl3an3b 1254 syl3an3br 1257 vtoclgft 2736 ovmpox 5899 ovmpoga 5900 nnanq0 7266 apreim 8365 apsub1 8404 divassap 8450 ltmul2 8614 xleadd1 9658 xltadd2 9660 elfzo 9926 fzodcel 9929 subcn2 11080 mulcn2 11081 ndvdsp1 11629 gcddiv 11707 lcmneg 11755 neipsm 12323 opnneip 12328 hmeof1o2 12477 blcntrps 12584 blcntr 12585 neibl 12660 blnei 12661 metss 12663 |
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