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Mirrors > Home > ILE Home > Th. List > biimprd | Unicode version |
Description: Deduce a converse implication from a logical equivalence. (Contributed by NM, 5-Aug-1993.) (Proof shortened by Wolf Lammen, 22-Sep-2013.) |
Ref | Expression |
---|---|
biimprd.1 |
Ref | Expression |
---|---|
biimprd |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | id 19 | . 2 | |
2 | biimprd.1 | . 2 | |
3 | 1, 2 | syl5ibr 155 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wb 104 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 |
This theorem depends on definitions: df-bi 116 |
This theorem is referenced by: syl6bir 163 mpbird 166 sylibrd 168 sylbird 169 imbi1d 230 biimpar 295 mtbid 661 mtbii 663 orbi2d 779 pm4.55dc 922 pm3.11dc 941 prlem1 957 nfimd 1564 dral1 1708 cbvalh 1726 ax16i 1830 speiv 1834 a16g 1836 cleqh 2237 pm13.18 2387 rspcimdv 2785 rspcimedv 2786 rspcedv 2788 moi2 2860 moi 2862 eqrd 3110 abnexg 4362 ralxfrd 4378 ralxfr2d 4380 rexxfr2d 4381 elres 4850 2elresin 5229 f1ocnv 5373 tz6.12c 5444 fvun1 5480 dffo4 5561 isores3 5709 tposfo2 6157 issmo2 6179 iordsmo 6187 smoel2 6193 fiintim 6810 ismkvnex 7022 prarloclemarch 7219 genprndl 7322 genprndu 7323 ltpopr 7396 ltsopr 7397 recexprlem1ssl 7434 recexprlem1ssu 7435 aptiprlemu 7441 lttrsr 7563 nnmulcl 8734 nnnegz 9050 eluzdc 9397 negm 9400 iccid 9701 icoshft 9766 fzen 9816 elfz2nn0 9885 elfzom1p1elfzo 9984 flqeqceilz 10084 zmodidfzoimp 10120 caucvgre 10746 qdenre 10967 dvdsval2 11485 negdvdsb 11498 muldvds2 11508 dvdsabseq 11534 bezoutlemaz 11680 bezoutlembz 11681 rplpwr 11704 alginv 11717 algfx 11722 coprmgcdb 11758 divgcdcoprm0 11771 prmgt1 11801 oddprmgt2 11803 rpexp1i 11821 2sqpwodd 11843 qnumdencl 11854 phiprmpw 11887 oddennn 11894 cnpnei 12377 bl2in 12561 addcncntoplem 12709 rescncf 12726 limcresi 12793 cnplimcim 12794 uzdcinzz 12994 bj-omssind 13122 bj-bdfindes 13136 bj-nntrans 13138 bj-nnelirr 13140 bj-omtrans 13143 setindis 13154 bdsetindis 13156 bj-inf2vnlem3 13159 bj-inf2vnlem4 13160 bj-findis 13166 bj-findes 13168 |
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