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| Mirrors > Home > MPE Home > Th. List > pm4.71ri | Structured version Visualization version GIF version | ||
| Description: Inference converting an implication to a biconditional with conjunction. Inference from Theorem *4.71 of [WhiteheadRussell] p. 120 (with conjunct reversed). (Contributed by NM, 1-Dec-2003.) |
| Ref | Expression |
|---|---|
| pm4.71ri.1 | ⊢ (𝜑 → 𝜓) |
| Ref | Expression |
|---|---|
| pm4.71ri | ⊢ (𝜑 ↔ (𝜓 ∧ 𝜑)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pm4.71ri.1 | . . 3 ⊢ (𝜑 → 𝜓) | |
| 2 | 1 | pm4.71i 559 | . 2 ⊢ (𝜑 ↔ (𝜑 ∧ 𝜓)) |
| 3 | 2 | biancomi 462 | 1 ⊢ (𝜑 ↔ (𝜓 ∧ 𝜑)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 |
| 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 207 df-an 396 |
| This theorem is referenced by: anabs7 664 biadaniALT 820 orabs 1000 prlem2 1055 dfeumo 2534 dfeu 2593 2moswapv 2627 2moswap 2642 exsnrex 4635 eliunxp 5784 asymref 6071 imaindm 6255 dffun9 6519 funcnv 6559 funcnv3 6560 f1ompt 7054 eufnfv 7173 dff1o6 7219 dfom2 7808 elxp4 7862 elxp5 7863 abexex 7913 dfoprab4 7997 tpostpos 8186 brwitnlem 8432 erovlem 8748 elixp2 8837 xpsnen 8987 elom3 9555 ttrclse 9634 cardval2 9901 isinfcard 10000 infmap2 10125 elznn0nn 12500 zrevaddcl 12534 qrevaddcl 12882 hash2prb 14393 hash3tpb 14416 cotr2g 14897 climreu 15477 isprm3 16608 hashbc0 16931 imasleval 17460 xpscf 17484 isssc 17742 issubmndb 18728 isgim 19189 eldprd 19933 brric2 20437 islmim 21012 tgval2 22898 eltg2b 22901 snfil 23806 isms2 24392 setsms 24422 elii1 24885 phtpcer 24948 elovolm 25430 ellimc2 25832 limcun 25850 1cubr 26806 fsumvma2 27179 dchrelbas3 27203 2lgslem1b 27357 dmscut 27779 madeval2 27821 made0 27845 nbgrel 29362 rusgrnumwwlks 29999 isgrpo 30521 mdsl2i 32346 cvmdi 32348 rabfmpunirn 32680 zarcls 33980 eulerpartlemn 34487 bnj580 35018 bnj1049 35079 snmlval 35474 satf0suclem 35518 fmlasuc0 35527 elmthm 35719 brtxp2 36022 brpprod3a 36027 bj-elid6 37314 ismgmOLD 37990 brres2 38405 brxrn2 38508 dfsuccl4 38587 redundpim3 38826 prtlem100 39058 islln2 39710 islpln2 39735 islvol2 39779 prjspeclsp 42797 onsucrn 43455 dflim5 43513 en2pr 43730 pren2 43736 elmapintrab 43759 clcnvlem 43806 sprvalpw 47668 sprvalpwn0 47671 prprvalpw 47703 clnbgrel 48016 eliunxp2 48522 elbigo 48739 |
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