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Mirrors > Home > ILE Home > Th. List > 3adantr3 | GIF version |
Description: Deduction adding a conjunct to antecedent. (Contributed by NM, 27-Apr-2005.) |
Ref | Expression |
---|---|
3adantr.1 | ⊢ ((𝜑 ∧ (𝜓 ∧ 𝜒)) → 𝜃) |
Ref | Expression |
---|---|
3adantr3 | ⊢ ((𝜑 ∧ (𝜓 ∧ 𝜒 ∧ 𝜏)) → 𝜃) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3simpa 983 | . 2 ⊢ ((𝜓 ∧ 𝜒 ∧ 𝜏) → (𝜓 ∧ 𝜒)) | |
2 | 3adantr.1 | . 2 ⊢ ((𝜑 ∧ (𝜓 ∧ 𝜒)) → 𝜃) | |
3 | 1, 2 | sylan2 284 | 1 ⊢ ((𝜑 ∧ (𝜓 ∧ 𝜒 ∧ 𝜏)) → 𝜃) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 ∧ w3a 967 |
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 969 |
This theorem is referenced by: 3ad2antr1 1151 3ad2antr2 1152 3adant3r3 1203 isosolem 5786 caovlem2d 6025 tanaddap 11666 isxmet2d 12895 xmetres2 12926 comet 13046 xmetxp 13054 |
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