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Mirrors > Home > ILE Home > Th. List > mpd3an3 | GIF version |
Description: An inference based on modus ponens. (Contributed by NM, 8-Nov-2007.) |
Ref | Expression |
---|---|
mpd3an3.2 | ⊢ ((𝜑 ∧ 𝜓) → 𝜒) |
mpd3an3.3 | ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃) |
Ref | Expression |
---|---|
mpd3an3 | ⊢ ((𝜑 ∧ 𝜓) → 𝜃) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mpd3an3.2 | . 2 ⊢ ((𝜑 ∧ 𝜓) → 𝜒) | |
2 | mpd3an3.3 | . . 3 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃) | |
3 | 2 | 3expa 1139 | . 2 ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜃) |
4 | 1, 3 | mpdan 412 | 1 ⊢ ((𝜑 ∧ 𝜓) → 𝜃) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 102 ∧ w3a 920 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 |
This theorem depends on definitions: df-bi 115 df-3an 922 |
This theorem is referenced by: stoic2b 1360 elovmpt2 5753 oav 6119 omv 6120 oeiv 6121 f1oeng 6326 mulpipq2 6693 ltrnqg 6742 genipv 6831 subval 7437 fzrevral3 9270 fzoval 9305 subsq2 9749 bcval 9843 dvdsmul1 10443 dvdsmul2 10444 gcdval 10576 eucalgval2 10660 |
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