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Related theorems GIF version |
| Description: Deduction adding a conjunct to an antecedent. |
| Ref | Expression |
|---|---|
| 3adant.1 | ⊢ ((φ ∧ ψ) → χ) |
| Ref | Expression |
|---|---|
| 3adant3 | ⊢ ((φ ∧ ψ ∧ θ) → χ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3simpa 591 | . 2 ⊢ ((φ ∧ ψ ∧ θ) → (φ ∧ ψ)) | |
| 2 | 3adant.1 | . 2 ⊢ ((φ ∧ ψ) → χ) | |
| 3 | 1, 2 | syl 12 | 1 ⊢ ((φ ∧ ψ ∧ θ) → χ) |
| Colors of variables: wff set class |
| Syntax hints: → wi 2 ∧ wa 196 ∧ w3a 581 |
| This theorem is referenced by: mopick2 1057 itlso 2151 oprabvalig 3048 oaword 3151 ecopoprtrn 3247 eceqopreq 3249 zfregs 3491 ltsopi 3810 ltsopq 3869 genpass 3906 ltsopr 3930 ltsosr 3997 ltasr 4003 ltsor 4055 addcan2t 4123 add12t 4125 addsubasst 4150 addsubt 4151 div23t 4240 ltso 4279 lelttrt 4289 ltaddsub2t 4358 ledivt 4405 ltmuldiv2t 4407 seqrn 4673 hvadd12t 5012 his7 5051 his2subt 5052 projlem26 5218 elspansn2t 5472 spansncol 5473 strlem3a 5693 cvntrt 5724 atexch 5769 atcvatlem 5770 mdsymlem5 5780 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 |
| This theorem depends on definitions: df-bi 128 df-an 198 df-3an 583 |