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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 1182 | . 2 ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜃) |
4 | 1, 3 | mpdan 418 | 1 ⊢ ((𝜑 ∧ 𝜓) → 𝜃) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 ∧ 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: stoic2b 1407 elovmpo 5979 oav 6358 omv 6359 oeiv 6360 f1oeng 6659 mulpipq2 7203 ltrnqg 7252 genipv 7341 subval 7978 subap0 8429 xaddval 9658 fzrevral3 9918 fzoval 9956 subsq2 10431 bcval 10527 dvdsmul1 11551 dvdsmul2 11552 gcdval 11684 eucalgval2 11770 setsvalg 12028 restval 12165 restin 12384 hmeofvalg 12511 cncfval 12767 rpcxpef 13023 rpcxpneg 13036 |
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