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Mirrors > Home > MPE Home > Th. List > 3syld | Structured version Visualization version GIF version |
Description: Triple syllogism deduction. Deduction associated with 3syld 58. (Contributed by Jeff Hankins, 4-Aug-2009.) |
Ref | Expression |
---|---|
3syld.1 | ⊢ (𝜑 → (𝜓 → 𝜒)) |
3syld.2 | ⊢ (𝜑 → (𝜒 → 𝜃)) |
3syld.3 | ⊢ (𝜑 → (𝜃 → 𝜏)) |
Ref | Expression |
---|---|
3syld | ⊢ (𝜑 → (𝜓 → 𝜏)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3syld.1 | . . 3 ⊢ (𝜑 → (𝜓 → 𝜒)) | |
2 | 3syld.2 | . . 3 ⊢ (𝜑 → (𝜒 → 𝜃)) | |
3 | 1, 2 | syld 46 | . 2 ⊢ (𝜑 → (𝜓 → 𝜃)) |
4 | 3syld.3 | . 2 ⊢ (𝜑 → (𝜃 → 𝜏)) | |
5 | 3, 4 | syld 46 | 1 ⊢ (𝜑 → (𝜓 → 𝜏)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 |
This theorem is referenced by: oaordi 7513 nnaordi 7585 fineqvlem 8059 dif1en 8078 xpfi 8116 rankr1ag 8548 cfslb2n 8973 fin23lem27 9033 gchpwdom 9371 prlem934 9734 axpre-sup 9869 cju 10893 xrub 12014 facavg 12950 mulcn2 14174 o1rlimmul 14197 coprm 15261 rpexp 15270 vdwnnlem3 15539 gexdvds 17822 cnpnei 20878 comppfsc 21145 alexsubALTlem3 21663 alexsubALTlem4 21664 iccntr 22432 cfil3i 22875 bcth3 22936 lgseisenlem2 24901 usgrasscusgra 26011 usg2wlkeq 26236 nbhashuvtx1 26442 frgrawopreglem4 26574 ubthlem1 27110 staddi 28489 stadd3i 28491 addltmulALT 28689 cnre2csqlem 29284 tpr2rico 29286 mclsax 30720 dfrdg4 31228 segconeq 31287 nn0prpwlem 31487 bj-bary1lem1 32338 poimirlem29 32608 fdc 32711 bfplem2 32792 atexchcvrN 33744 dalem3 33968 cdleme3h 34540 cdleme21ct 34635 bgoldbwt 40199 bgoldbst 40200 nnsum4primesodd 40212 nnsum4primesoddALTV 40213 cusgredg 40646 uspgr2wlkeq 40854 frgrwopreglem4 41484 dignn0flhalflem1 42207 |
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