![]() |
Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
|
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 560 | . 2 ⊢ (𝜑 ↔ (𝜑 ∧ 𝜓)) |
3 | 2 | biancomi 463 | 1 ⊢ (𝜑 ↔ (𝜓 ∧ 𝜑)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 |
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 206 df-an 397 |
This theorem is referenced by: anabs7 662 biadaniALT 819 orabs 997 prlem2 1054 dfeumo 2530 dfeu 2588 2moswapv 2624 2moswap 2639 exsnrex 4646 eliunxp 5798 asymref 6075 imaindm 6256 dffun9 6535 funcnv 6575 funcnv3 6576 f1ompt 7064 eufnfv 7184 dff1o6 7226 dfom2 7809 elxp4 7864 elxp5 7865 abexex 7909 dfoprab4 7992 tpostpos 8182 brwitnlem 8458 erovlem 8759 elixp2 8846 xpsnen 9006 elom3 9593 ttrclse 9672 cardval2 9936 isinfcard 10037 infmap2 10163 elznn0nn 12522 zrevaddcl 12557 qrevaddcl 12905 hash2prb 14383 cotr2g 14873 climreu 15450 isprm3 16570 hashbc0 16888 imasleval 17437 xpscf 17461 isssc 17717 issubmndb 18630 isgim 19066 eldprd 19797 brric2 20195 islmim 20580 tgval2 22343 eltg2b 22346 snfil 23252 isms2 23840 setsms 23872 elii1 24335 phtpcer 24395 elovolm 24876 ellimc2 25278 limcun 25296 1cubr 26229 fsumvma2 26599 dchrelbas3 26623 2lgslem1b 26777 dmscut 27193 madeval2 27226 made0 27246 nbgrel 28351 rusgrnumwwlks 28982 isgrpo 29502 mdsl2i 31327 cvmdi 31329 rabfmpunirn 31636 zarcls 32544 eulerpartlemn 33070 bnj580 33614 bnj1049 33675 snmlval 34012 satf0suclem 34056 fmlasuc0 34065 elmthm 34257 brtxp2 34542 brpprod3a 34547 bj-elid6 35714 ismgmOLD 36382 brres2 36801 brxrn2 36910 redundpim3 37165 prtlem100 37394 islln2 38047 islpln2 38072 islvol2 38116 prjspeclsp 41008 onsucrn 41664 dflim5 41722 en2pr 41941 pren2 41947 elmapintrab 41970 clcnvlem 42017 sprvalpw 45792 sprvalpwn0 45795 prprvalpw 45827 eliunxp2 46529 elbigo 46757 |
Copyright terms: Public domain | W3C validator |