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Mirrors > Home > MPE Home > Th. List > syl2and | Structured version Visualization version GIF version |
Description: A syllogism deduction. (Contributed by NM, 15-Dec-2004.) |
Ref | Expression |
---|---|
syl2and.1 | ⊢ (𝜑 → (𝜓 → 𝜒)) |
syl2and.2 | ⊢ (𝜑 → (𝜃 → 𝜏)) |
syl2and.3 | ⊢ (𝜑 → ((𝜒 ∧ 𝜏) → 𝜂)) |
Ref | Expression |
---|---|
syl2and | ⊢ (𝜑 → ((𝜓 ∧ 𝜃) → 𝜂)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | syl2and.1 | . 2 ⊢ (𝜑 → (𝜓 → 𝜒)) | |
2 | syl2and.2 | . . 3 ⊢ (𝜑 → (𝜃 → 𝜏)) | |
3 | syl2and.3 | . . 3 ⊢ (𝜑 → ((𝜒 ∧ 𝜏) → 𝜂)) | |
4 | 2, 3 | sylan2d 498 | . 2 ⊢ (𝜑 → ((𝜒 ∧ 𝜃) → 𝜂)) |
5 | 1, 4 | syland 497 | 1 ⊢ (𝜑 → ((𝜓 ∧ 𝜃) → 𝜂)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 |
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 196 df-an 385 |
This theorem is referenced by: anim12d 584 ax7 1930 dffi3 8220 cflim2 8968 axpre-sup 9869 xle2add 11961 fzen 12229 rpmulgcd2 15208 pcqmul 15396 initoeu1 16484 termoeu1 16491 plttr 16793 pospo 16796 lublecllem 16811 latjlej12 16890 latmlem12 16906 cygabl 18115 hausnei2 20967 uncmp 21016 itgsubst 23616 dvdsmulf1o 24720 2sqlem8a 24950 axcontlem9 25652 usg2wotspth 26411 numclwlk1lem2f1 26621 shintcli 27572 cvntr 28535 cdj3i 28684 bj-bary1 32339 heicant 32614 itg2addnc 32634 dihmeetlem1N 35597 fmtnofac2lem 40018 uspgr2wlkeq 40854 av-numclwlk1lem2f1 41524 |
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