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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 665 biadaniALT 821 orabs 1001 prlem2 1056 dfeumo 2537 dfeu 2596 2moswapv 2630 2moswap 2645 exsnrex 4639 eliunxp 5794 asymref 6081 imaindm 6265 dffun9 6529 funcnv 6569 funcnv3 6570 f1ompt 7065 eufnfv 7185 dff1o6 7231 dfom2 7820 elxp4 7874 elxp5 7875 abexex 7925 dfoprab4 8009 tpostpos 8198 brwitnlem 8444 erovlem 8762 elixp2 8851 xpsnen 9001 elom3 9569 ttrclse 9648 cardval2 9915 isinfcard 10014 infmap2 10139 elznn0nn 12514 zrevaddcl 12548 qrevaddcl 12896 hash2prb 14407 hash3tpb 14430 cotr2g 14911 climreu 15491 isprm3 16622 hashbc0 16945 imasleval 17474 xpscf 17498 isssc 17756 issubmndb 18742 isgim 19203 eldprd 19947 brric2 20451 islmim 21026 tgval2 22912 eltg2b 22915 snfil 23820 isms2 24406 setsms 24436 elii1 24899 phtpcer 24962 elovolm 25444 ellimc2 25846 limcun 25864 1cubr 26820 fsumvma2 27193 dchrelbas3 27217 2lgslem1b 27371 dmcuts 27799 madeval2 27841 made0 27871 nbgrel 29425 rusgrnumwwlks 30062 isgrpo 30585 mdsl2i 32410 cvmdi 32412 rabfmpunirn 32743 zarcls 34052 eulerpartlemn 34559 bnj580 35089 bnj1049 35150 snmlval 35547 satf0suclem 35591 fmlasuc0 35600 elmthm 35792 brtxp2 36095 brpprod3a 36100 bj-elid6 37425 ismgmOLD 38101 brres2 38524 ralmo 38611 brxrn2 38635 dfsuccl4 38725 redundpim3 38965 prtlem100 39235 islln2 39887 islpln2 39912 islvol2 39956 prjspeclsp 42970 onsucrn 43628 dflim5 43686 en2pr 43903 pren2 43909 elmapintrab 43932 clcnvlem 43979 sprvalpw 47840 sprvalpwn0 47843 prprvalpw 47875 clnbgrel 48188 eliunxp2 48694 elbigo 48911 |
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