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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 567 | . 2 ⊢ (𝜑 ↔ (𝜑 ∧ 𝜓)) |
| 3 | 2 | biancomi 466 | 1 ⊢ (𝜑 ↔ (𝜓 ∧ 𝜑)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 208 ∧ wa 399 |
| 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 209 df-an 400 |
| This theorem is referenced by: anabs7 674 biadaniALT 830 orabs 1012 prlem2 1067 dfeumo 2563 dfeu 2622 2moswapv 2656 2moswap 2671 exsnrex 4639 eliunxp 5809 asymref 6103 imaindm 6286 dffun9 6550 funcnv 6590 funcnv3 6591 f1ompt 7092 eufnfv 7213 dff1o6 7259 dfom2 7848 elxp4 7903 elxp5 7904 abexex 7952 dfoprab4 8036 tpostpos 8226 brwitnlem 8476 erovlem 8795 elixp2 8883 xpsnen 9033 elom3 9603 ttrclse 9682 cardval2 9949 isinfcard 10048 infmap2 10173 elznn0nn 12582 zrevaddcl 12616 qrevaddcl 12972 hash2prb 14485 hash3tpb 14508 cotr2g 14989 climreu 15583 isprm3 16717 hashbc0 17041 imasleval 17571 xpscf 17595 isssc 17853 issubmndb 18839 isgim 19302 eldprd 20046 brric2 20556 islmim 21129 tgval2 23016 eltg2b 23019 snfil 23924 isms2 24510 setsms 24540 elii1 24997 phtpcer 25057 elovolm 25537 ellimc2 25939 limcun 25957 1cubr 26907 fsumvma2 27278 dchrelbas3 27302 2lgslem1b 27456 dmcuts 27884 madeval2 27926 made0 27956 nbgrel 29541 rusgrnumwwlks 30177 isgrpo 30700 mdsl2i 32525 cvmdi 32527 rabfmpunirn 32855 zarcls 34171 eulerpartlemn 34678 bnj580 35208 bnj1049 35269 snmlval 35681 satf0suclem 35725 fmlasuc0 35734 elmthm 35926 brtxp2 36229 brpprod3a 36234 bj-elid6 37662 ismgmOLD 38349 brres2 38772 ralmo 38859 brxrn2 38883 dfsuccl4 38973 redundpim3 39213 prtlem100 39483 islln2 40135 islpln2 40160 islvol2 40204 prjspeclsp 43194 onsucrn 43848 dflim5 43906 en2pr 44123 pren2 44129 elmapintrab 44152 clcnvlem 44199 sprvalpw 48086 sprvalpwn0 48089 prprvalpw 48121 clnbgrel 48450 eliunxp2 48956 elbigo 49173 |
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