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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 2536 dfeu 2595 2moswapv 2629 2moswap 2644 exsnrex 4637 eliunxp 5786 asymref 6073 imaindm 6257 dffun9 6521 funcnv 6561 funcnv3 6562 f1ompt 7056 eufnfv 7175 dff1o6 7221 dfom2 7810 elxp4 7864 elxp5 7865 abexex 7915 dfoprab4 7999 tpostpos 8188 brwitnlem 8434 erovlem 8750 elixp2 8839 xpsnen 8989 elom3 9557 ttrclse 9636 cardval2 9903 isinfcard 10002 infmap2 10127 elznn0nn 12502 zrevaddcl 12536 qrevaddcl 12884 hash2prb 14395 hash3tpb 14418 cotr2g 14899 climreu 15479 isprm3 16610 hashbc0 16933 imasleval 17462 xpscf 17486 isssc 17744 issubmndb 18730 isgim 19191 eldprd 19935 brric2 20439 islmim 21014 tgval2 22900 eltg2b 22903 snfil 23808 isms2 24394 setsms 24424 elii1 24887 phtpcer 24950 elovolm 25432 ellimc2 25834 limcun 25852 1cubr 26808 fsumvma2 27181 dchrelbas3 27205 2lgslem1b 27359 dmcuts 27787 madeval2 27829 made0 27859 nbgrel 29413 rusgrnumwwlks 30050 isgrpo 30572 mdsl2i 32397 cvmdi 32399 rabfmpunirn 32731 zarcls 34031 eulerpartlemn 34538 bnj580 35069 bnj1049 35130 snmlval 35525 satf0suclem 35569 fmlasuc0 35578 elmthm 35770 brtxp2 36073 brpprod3a 36078 bj-elid6 37375 ismgmOLD 38051 brres2 38466 brxrn2 38569 dfsuccl4 38648 redundpim3 38887 prtlem100 39119 islln2 39771 islpln2 39796 islvol2 39840 prjspeclsp 42855 onsucrn 43513 dflim5 43571 en2pr 43788 pren2 43794 elmapintrab 43817 clcnvlem 43864 sprvalpw 47726 sprvalpwn0 47729 prprvalpw 47761 clnbgrel 48074 eliunxp2 48580 elbigo 48797 |
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