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Mirrors > Home > ILE Home > Th. List > mpbiri | GIF version |
Description: An inference from a nested biconditional, related to modus ponens. (Contributed by NM, 5-Aug-1993.) (Proof shortened by Wolf Lammen, 25-Oct-2012.) |
Ref | Expression |
---|---|
mpbiri.min | ⊢ 𝜒 |
mpbiri.maj | ⊢ (𝜑 → (𝜓 ↔ 𝜒)) |
Ref | Expression |
---|---|
mpbiri | ⊢ (𝜑 → 𝜓) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mpbiri.min | . . 3 ⊢ 𝜒 | |
2 | 1 | a1i 9 | . 2 ⊢ (𝜑 → 𝜒) |
3 | mpbiri.maj | . 2 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) | |
4 | 2, 3 | mpbird 166 | 1 ⊢ (𝜑 → 𝜓) |
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: pm5.18im 1374 dedhb 2890 sbceqal 3001 ssdifeq0 3486 pwidg 3567 elpr2 3592 snidg 3599 exsnrex 3612 rabrsndc 3638 prid1g 3674 tpid1g 3682 tpid2g 3684 sssnr 3727 ssprr 3730 sstpr 3731 preqr1 3742 unimax 3817 intmin3 3845 eqbrtrdi 4015 pwnss 4132 0inp0 4139 bnd2 4146 ss1o0el1 4170 exmidsssn 4175 exmidundif 4179 exmidundifim 4180 euabex 4197 copsexg 4216 euotd 4226 elopab 4230 epelg 4262 sucidg 4388 ifelpwung 4453 regexmidlem1 4504 sucprcreg 4520 onprc 4523 dtruex 4530 omelon2 4579 elvvuni 4662 eqrelriv 4691 relopabi 4724 opabid2 4729 ididg 4751 iss 4924 funopg 5216 fn0 5301 f00 5373 f0bi 5374 f1o00 5461 fo00 5462 brprcneu 5473 relelfvdm 5512 fsn 5651 eufnfv 5709 f1eqcocnv 5753 riotaprop 5815 acexmidlemb 5828 acexmidlemab 5830 acexmidlem2 5833 oprabid 5865 elrnmpo 5946 ov6g 5970 eqop2 6138 1stconst 6180 2ndconst 6181 dftpos3 6221 dftpos4 6222 2pwuninelg 6242 frecabcl 6358 el2oss1o 6402 ecopover 6590 map0g 6645 mapsn 6647 elixpsn 6692 en0 6752 en1 6756 fiprc 6772 dom0 6795 nneneq 6814 findcard 6845 findcard2 6846 findcard2s 6847 sbthlem2 6914 sbthlemi4 6916 sbthlemi5 6917 eldju2ndl 7028 updjudhf 7035 enumct 7071 nnnninf 7081 nninfisollem0 7085 fodjuomnilemdc 7099 exmidonfinlem 7140 exmidaclem 7155 pw1ne1 7176 pw1ne3 7177 1ne0sr 7698 00sr 7701 cnm 7764 eqlei2 7984 cnstab 8534 divcanap3 8585 sup3exmid 8843 nn1suc 8867 nn0ge0 9130 xnn0xr 9173 xnn0nemnf 9179 elnn0z 9195 nn0n0n1ge2b 9261 nn0ind-raph 9299 elnn1uz2 9536 indstr2 9538 xrnemnf 9704 xrnepnf 9705 mnfltxr 9713 nn0pnfge0 9718 xrlttr 9722 xrltso 9723 xrlttri3 9724 nltpnft 9741 npnflt 9742 ngtmnft 9744 nmnfgt 9745 xsubge0 9808 xposdif 9809 xleaddadd 9814 fztpval 10008 fseq1p1m1 10019 fz01or 10036 qbtwnxr 10183 fzfig 10355 uzsinds 10367 ser0f 10440 1exp 10474 0exp 10480 bcn1 10660 zfz1iso 10740 sqrt0rlem 10931 prodf1f 11470 0dvds 11737 nn0o 11829 flodddiv4 11856 gcddvds 11881 bezoutlemmain 11916 lcmdvds 11990 rpdvds 12010 1nprm 12025 prmind2 12031 nnoddn2prmb 12171 pcpre1 12201 qexpz 12259 ennnfonelemj0 12271 ennnfonelemhf1o 12283 strslfv 12375 restsspw 12502 baspartn 12589 eltg3 12598 topnex 12627 discld 12677 lmreltop 12734 cnpfval 12736 cnprcl2k 12747 idcn 12753 xmet0 12904 blfvalps 12926 blfps 12950 blf 12951 limcimolemlt 13174 recnprss 13197 funmptd 13520 bj-om 13654 bj-nn0suc0 13667 bj-nn0suc 13681 bj-nn0sucALT 13695 bj-findis 13696 nninfall 13723 trilpolemcl 13750 dceqnconst 13772 dcapnconst 13773 |
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