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Mirrors > Home > MPE Home > Th. List > 3adant2l | Structured version Visualization version GIF version |
Description: Deduction adding a conjunct to antecedent. (Contributed by NM, 8-Jan-2006.) (Proof shortened by Wolf Lammen, 25-Jun-2022.) |
Ref | Expression |
---|---|
ad4ant3.1 | ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃) |
Ref | Expression |
---|---|
3adant2l | ⊢ ((𝜑 ∧ (𝜏 ∧ 𝜓) ∧ 𝜒) → 𝜃) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpr 485 | . 2 ⊢ ((𝜏 ∧ 𝜓) → 𝜓) | |
2 | ad4ant3.1 | . 2 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃) | |
3 | 1, 2 | syl3an2 1164 | 1 ⊢ ((𝜑 ∧ (𝜏 ∧ 𝜓) ∧ 𝜒) → 𝜃) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 ∧ w3a 1087 |
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 206 df-an 397 df-3an 1089 |
This theorem is referenced by: axdc3lem4 10450 modexp 14203 lmmbr2 24783 ax5seglem1 28224 ax5seglem2 28225 nvaddsub4 29948 pl1cn 33004 athgt 38413 ltrncoelN 39100 ltrncoat 39101 trlcoabs 39678 tendoplcl2 39735 tendopltp 39737 dih1dimatlem0 40285 pellex 41655 fourierdlem42 44944 |
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