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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 569 | . 2 ⊢ (𝜑 ↔ (𝜑 ∧ 𝜓)) |
| 3 | 2 | biancomi 468 | 1 ⊢ (𝜑 ↔ (𝜓 ∧ 𝜑)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
| This proof depends on definitions: df-bi 210 df-an 402 |
| This theorem is used by: anabs7 677 biadaniALT 833 orabs 1014 prlem2 1071 dfeumo 2561 dfeu 2620 2moswapv 2654 2moswap 2669 exsnrex 4637 eliunxp 5815 asymref 6112 imaindm 6305 dffun9 6574 funcnv 6614 funcnv3 6615 f1ompt 7116 eufnfv 7239 dff1o6 7287 dfom2 7883 elxp4 7938 elxp5 7939 abexex 7987 dfoprab4 8071 tpostpos 8271 brwitnlem 8523 erovlem 8842 elixp2 8937 xpsnen 9088 elom3 9656 ttrclse 9735 cardval2 10079 isinfcard 10178 infmap2 10302 elznn0nn 12714 zrevaddcl 12748 qrevaddcl 13106 hash2prb 14624 hash3tpb 14647 cotr2g 15138 climreu 15732 isprm3 16867 hashbc0 17192 imasleval 17722 xpscf 17746 isssc 18004 issubmndb 19009 isgim 19485 eldprd 20229 isbrric2 20762 islmim 21346 tgval2 23283 eltg2b 23286 snfil 24192 isms2 24778 setsms 24808 elii1 25265 phtpcer 25325 elovolm 25805 ellimc2 26206 limcun 26224 1cubr 27179 fsumvma2 27550 dchrelbas3 27574 2lgslem1b 27728 dmcuts 28186 madeval2 28228 made0 28258 nbgrel 29930 rusgrnumwwlks 30575 isgrpo 31108 mdsl2i 32933 cvmdi 32935 rabfmpunirn 33298 zarcls 34556 eulerpartlemn 35063 bnj580 35593 bnj1049 35654 fwfffunres 35768 dmr0ss 35953 dfk12 35963 dfk22 35964 dfk32 35965 snmlval 36214 satf0suclem 36258 fmlasuc0 36267 elmthm 36459 brtxp2 36767 brpprod3a 36772 bj-elid6 38228 ismgmOLD 38921 brres2 39342 ralmo 39429 brxrn2 39453 dfsuccl4 39543 redundpim3 39783 prtlem100 40053 islln2 40705 islpln2 40730 islvol2 40774 prjspeclsp 43777 onsucrn 44410 dflim5 44468 en2pr 44685 pren2 44691 elmapintrab 44714 clcnvlem 44760 sprvalpw 48698 sprvalpwn0 48701 prprvalpw 48733 clnbgrel 49062 eliunxp2 49582 elbigo 49799 rrx2xpref1o 49967 |
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