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Mirrors > Home > MPE Home > Th. List > pm2.61d1 | Structured version Visualization version GIF version |
Description: Inference eliminating an antecedent. (Contributed by NM, 15-Jul-2005.) |
Ref | Expression |
---|---|
pm2.61d1.1 | ⊢ (𝜑 → (𝜓 → 𝜒)) |
pm2.61d1.2 | ⊢ (¬ 𝜓 → 𝜒) |
Ref | Expression |
---|---|
pm2.61d1 | ⊢ (𝜑 → 𝜒) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pm2.61d1.1 | . 2 ⊢ (𝜑 → (𝜓 → 𝜒)) | |
2 | pm2.61d1.2 | . . 3 ⊢ (¬ 𝜓 → 𝜒) | |
3 | 2 | a1i 11 | . 2 ⊢ (𝜑 → (¬ 𝜓 → 𝜒)) |
4 | 1, 3 | pm2.61d 181 | 1 ⊢ (𝜑 → 𝜒) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem is referenced by: pm2.61nii 186 ja 188 pm2.01d 192 moexexlem 2707 2mo 2729 mosubopt 5392 predpoirr 6170 predfrirr 6171 funfv 6744 dffv2 6750 fvmptnf 6784 rdgsucmptnf 8059 frsucmptn 8068 mapdom2 8682 frfi 8757 oiexg 8993 wemapwe 9154 r1tr 9199 alephsing 9692 uzin 12272 fundmge2nop0 13844 fun2dmnop0 13846 wrdnfi 13893 sumrblem 15062 fsumcvg 15063 summolem2a 15066 fsumcvg2 15078 prodeq2ii 15261 prodrblem 15277 fprodcvg 15278 prodmolem2a 15282 zprod 15285 ptpjpre1 22173 qtopres 22300 fgabs 22481 ptcmplem3 22656 setsmstopn 23082 tngtopn 23253 cnmpopc 23526 pcoval2 23614 pcopt 23620 pcopt2 23621 itgle 24404 ibladdlem 24414 iblabslem 24422 iblabs 24423 iblabsr 24424 iblmulc2 24425 ditgneg 24449 logbgcd1irr 25366 umgr2adedgspth 27721 n4cyclfrgr 28064 poimirlem26 34912 poimirlem32 34918 ovoliunnfl 34928 voliunnfl 34930 volsupnfl 34931 itg2addnclem 34937 itg2gt0cn 34941 ibladdnclem 34942 iblabsnclem 34949 iblabsnc 34950 iblmulc2nc 34951 bddiblnc 34956 ftc1anclem7 34967 ftc1anclem8 34968 ftc1anc 34969 dicvalrelN 38315 dihvalrel 38409 ldepspr 44522 |
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