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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 2562 dfeu 2621 2moswapv 2655 2moswap 2670 exsnrex 4641 eliunxp 5814 asymref 6110 imaindm 6302 dffun9 6569 funcnv 6609 funcnv3 6610 f1ompt 7111 eufnfv 7235 dff1o6 7283 dfom2 7879 elxp4 7934 elxp5 7935 abexex 7983 dfoprab4 8066 tpostpos 8263 brwitnlem 8515 erovlem 8834 elixp2 8929 xpsnen 9080 elom3 9649 ttrclse 9728 cardval2 10072 isinfcard 10171 infmap2 10295 elznn0nn 12707 zrevaddcl 12741 qrevaddcl 13099 hash2prb 14617 hash3tpb 14640 cotr2g 15129 climreu 15723 isprm3 16858 hashbc0 17183 imasleval 17713 xpscf 17737 isssc 17995 issubmndb 19000 isgim 19476 eldprd 20220 isbrric2 20753 islmim 21337 tgval2 23274 eltg2b 23277 snfil 24183 isms2 24769 setsms 24799 elii1 25256 phtpcer 25316 elovolm 25796 ellimc2 26197 limcun 26215 1cubr 27170 fsumvma2 27541 dchrelbas3 27565 2lgslem1b 27719 dmcuts 28177 madeval2 28219 made0 28249 nbgrel 29921 rusgrnumwwlks 30566 isgrpo 31099 mdsl2i 32924 cvmdi 32926 rabfmpunirn 33247 zarcls 34506 eulerpartlemn 35013 bnj580 35543 bnj1049 35604 snmlval 36096 satf0suclem 36140 fmlasuc0 36149 elmthm 36341 brtxp2 36643 brpprod3a 36648 bj-elid6 38091 ismgmOLD 38784 brres2 39205 ralmo 39292 brxrn2 39316 dfsuccl4 39406 redundpim3 39646 prtlem100 39916 islln2 40568 islpln2 40593 islvol2 40637 prjspeclsp 43640 onsucrn 44272 dflim5 44330 en2pr 44547 pren2 44553 elmapintrab 44576 clcnvlem 44622 sprvalpw 48561 sprvalpwn0 48564 prprvalpw 48596 clnbgrel 48925 eliunxp2 49445 elbigo 49662 |
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