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Related theorems GIF version |
| Description: Introduce conjunct to both sides of an implication. |
| Ref | Expression |
|---|---|
| anim1i.1 | ⊢ (φ → ψ) |
| Ref | Expression |
|---|---|
| anim2i | ⊢ ((χ ∧ φ) → (χ ∧ ψ)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | id 9 | . 2 ⊢ (χ → χ) | |
| 2 | anim1i.1 | . 2 ⊢ (φ → ψ) | |
| 3 | 1, 2 | anim12i 268 | 1 ⊢ ((χ ∧ φ) → (χ ∧ ψ)) |
| Colors of variables: wff set class |
| Syntax hints: → wi 2 ∧ wa 196 |
| This theorem is referenced by: sylan12 355 anbi2i 367 biantrud 545 sbimi 854 eupickb 1056 2euex 1061 2exeu 1066 2eu1 1067 rcla42ev 1405 pssn2lp 1571 difrab 1695 ssiun 2018 dfwe2 2187 trssord 2216 tfi 2244 ordnbtwn 2316 find 2396 imainss 2649 dffun7 2688 fof 2788 f1o2 2804 f1o3 2805 fv3 2839 tfrlem5 2953 tfrlem8 2956 ssoprab2i 3036 ndmoprass 3062 ndmoprdistr 3063 isfinite1 3425 infcntss 3443 isfinite 3480 nnsdom 3481 zfregs 3491 aceq6b 3565 ac6 3576 ac6s 3577 zorn2 3612 ondomon 3662 cflim 3704 axregndlem1 3748 axregnd 3750 halfpq 3876 ltexprlem1 3936 ltexprlem4 3939 prlem936a 3947 reclem3pr 3952 recexsrlem 4006 suppsr3 4018 axsup 4088 divdivdivt 4265 infxpidmlem11 4943 infxpidmlem12 4944 hvsub4t 5014 chsscm 5147 chcmh 5148 chocuni 5179 osumlem5 5534 5oalem2 5545 5oalem5 5548 5oalem6 5549 3oalem2 5553 stle0 5680 spansncv2t 5725 |
| 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 |