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Mirrors > Home > ILE Home > Th. List > syl5ibr | GIF version |
Description: A mixed syllogism inference. (Contributed by NM, 3-Apr-1994.) (Revised by NM, 22-Sep-2013.) |
Ref | Expression |
---|---|
syl5ibr.1 | ⊢ (𝜑 → 𝜃) |
syl5ibr.2 | ⊢ (𝜒 → (𝜓 ↔ 𝜃)) |
Ref | Expression |
---|---|
syl5ibr | ⊢ (𝜒 → (𝜑 → 𝜓)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | syl5ibr.1 | . 2 ⊢ (𝜑 → 𝜃) | |
2 | syl5ibr.2 | . . 3 ⊢ (𝜒 → (𝜓 ↔ 𝜃)) | |
3 | 2 | bicomd 140 | . 2 ⊢ (𝜒 → (𝜃 ↔ 𝜓)) |
4 | 1, 3 | syl5ib 153 | 1 ⊢ (𝜒 → (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: syl5ibrcom 156 biimprd 157 nbn2 686 limelon 4321 eldifpw 4398 ssonuni 4404 onsucuni2 4479 peano2 4509 limom 4527 elrnmpt1 4790 cnveqb 4994 cnveq0 4995 relcoi1 5070 ndmfvg 5452 ffvresb 5583 caovord3d 5941 poxp 6129 nnm0r 6375 nnacl 6376 nnacom 6380 nnaass 6381 nndi 6382 nnmass 6383 nnmsucr 6384 nnmcom 6385 brecop 6519 ecopovtrn 6526 ecopovtrng 6529 elpm2r 6560 map0g 6582 fundmen 6700 mapxpen 6742 phpm 6759 f1vrnfibi 6833 elfir 6861 mulcmpblnq 7176 ordpipqqs 7182 mulcmpblnq0 7252 genpprecll 7322 genppreclu 7323 addcmpblnr 7547 ax1rid 7685 axpre-mulgt0 7695 cnegexlem1 7937 msqge0 8378 mulge0 8381 ltleap 8394 nnmulcl 8741 nnsub 8759 elnn0z 9067 ztri3or0 9096 nneoor 9153 uz11 9348 xltnegi 9618 frec2uzuzd 10175 seq3fveq2 10242 seq3shft2 10246 seq3split 10252 seq3caopr3 10254 seq3id2 10282 seq3homo 10283 m1expcl2 10315 expadd 10335 expmul 10338 faclbnd 10487 hashfzp1 10570 hashfacen 10579 seq3coll 10585 caucvgrelemcau 10752 recan 10881 rexanre 10992 fsumiun 11246 efexp 11388 dvdstr 11530 alzdvds 11552 zob 11588 gcdmultiplez 11709 dvdssq 11719 cncongr2 11785 elrestr 12128 restopn2 12352 txcn 12444 txlm 12448 isxms2 12621 bj-om 13135 bj-inf2vnlem2 13169 bj-inf2vn 13172 bj-inf2vn2 13173 |
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