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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 2564 dfeu 2623 2moswapv 2657 2moswap 2672 exsnrex 4642 eliunxp 5824 asymref 6128 imaindm 6328 dffun9 6597 funcnv 6639 funcnv3 6640 f1ompt 7143 eufnfv 7266 dff1o6 7314 dfom2 7913 elxp4 7968 elxp5 7969 abexex 8017 dfoprab4 8101 tpostpos 8301 brwitnlem 8553 erovlem 8872 elixp2 8967 xpsnen 9118 elom3 9686 ttrclse 9765 cardval2 10111 isinfcard 10210 infmap2 10334 elznn0nn 12747 zrevaddcl 12781 qrevaddcl 13139 hash2prb 14658 hash3tpb 14681 cotr2g 15172 climreu 15767 isprm3 16902 hashbc0 17227 imasleval 17763 xpscf 17787 isssc 18045 issubmndb 19050 isgim 19526 eldprd 20271 isbrric2 20804 islmim 21388 tgval2 23329 eltg2b 23332 snfil 24238 isms2 24824 setsms 24854 elii1 25311 phtpcer 25371 elovolm 25851 ellimc2 26252 limcun 26270 1cubr 27227 fsumvma2 27598 dchrelbas3 27622 2lgslem1b 27776 dmcuts 28234 madeval2 28276 made0 28306 nbgrel 29978 rusgrnumwwlks 30623 isgrpo 31156 mdsl2i 32981 cvmdi 32983 rabfmpunirn 33345 zarcls 34617 eulerpartlemn 35124 bnj580 35654 bnj1049 35715 fwfffunres 35829 dmr0ss 36043 dfk12 36053 dfk22 36054 dfk32 36055 snmlval 36304 satf0suclem 36348 fmlasuc0 36357 elmthm 36549 brtxp2 36858 brpprod3a 36863 bj-inxpALT 38176 bj-elid6 38359 ismgmOLD 39050 brres2 39471 ralmo 39558 brxrn2 39582 dfsuccl4 39672 redundpim3 39912 prtlem100 40182 islln2 40834 islpln2 40859 islvol2 40903 prjspeclsp 43906 onsucrn 44534 dflim5 44592 en2pr 44809 pren2 44815 elmapintrab 44838 clcnvlem 44884 sprvalpw 48835 sprvalpwn0 48838 prprvalpw 48870 clnbgrel 49199 eliunxp2 49777 elbigo 49994 rrx2xpref1o 50162 |
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