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Mirrors > Home > MPE Home > Th. List > mpanl1 | Structured version Visualization version GIF version |
Description: An inference based on modus ponens. (Contributed by NM, 16-Aug-1994.) (Proof shortened by Wolf Lammen, 7-Apr-2013.) |
Ref | Expression |
---|---|
mpanl1.1 | ⊢ 𝜑 |
mpanl1.2 | ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜃) |
Ref | Expression |
---|---|
mpanl1 | ⊢ ((𝜓 ∧ 𝜒) → 𝜃) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mpanl1.1 | . . 3 ⊢ 𝜑 | |
2 | 1 | jctl 526 | . 2 ⊢ (𝜓 → (𝜑 ∧ 𝜓)) |
3 | mpanl1.2 | . 2 ⊢ (((𝜑 ∧ 𝜓) ∧ 𝜒) → 𝜃) | |
4 | 2, 3 | sylan 582 | 1 ⊢ ((𝜓 ∧ 𝜒) → 𝜃) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 209 df-an 399 |
This theorem is referenced by: mpanl12 700 frc 5515 oeoelem 8218 ercnv 8304 frfi 8757 fin23lem23 9742 divdiv23zi 11387 recp1lt1 11532 divgt0i 11542 divge0i 11543 ltreci 11544 lereci 11545 lt2msqi 11546 le2msqi 11547 msq11i 11548 ltdiv23i 11558 fnn0ind 12075 elfzp1b 12978 elfzm1b 12979 sqrt11i 14738 sqrtmuli 14739 sqrtmsq2i 14741 sqrtlei 14742 sqrtlti 14743 fsum 15071 fprod 15289 blometi 28574 spansnm0i 29421 lnopli 29739 lnfnli 29811 opsqrlem1 29911 opsqrlem6 29916 mdslmd3i 30103 atordi 30155 mdsymlem1 30174 gsummpt2co 30681 finxpreclem4 34669 ptrecube 34886 fdc 35014 prter3 36012 |
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