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Mirrors > Home > ILE Home > Th. List > bitr4d | GIF version |
Description: Deduction form of bitr4i 185. (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
bitr4d.1 | ⊢ (𝜑 → (𝜓 ↔ 𝜒)) |
bitr4d.2 | ⊢ (𝜑 → (𝜃 ↔ 𝜒)) |
Ref | Expression |
---|---|
bitr4d | ⊢ (𝜑 → (𝜓 ↔ 𝜃)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bitr4d.1 | . 2 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) | |
2 | bitr4d.2 | . . 3 ⊢ (𝜑 → (𝜃 ↔ 𝜒)) | |
3 | 2 | bicomd 139 | . 2 ⊢ (𝜑 → (𝜒 ↔ 𝜃)) |
4 | 1, 3 | bitrd 186 | 1 ⊢ (𝜑 → (𝜓 ↔ 𝜃)) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ↔ wb 103 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 |
This theorem depends on definitions: df-bi 115 |
This theorem is referenced by: 3bitr2d 214 3bitr2rd 215 3bitr4d 218 3bitr4rd 219 bianabs 575 imordc 829 3anibar 1106 xor2dc 1321 bilukdc 1327 reuhypd 4221 opelresi 4641 iota1 4901 funbrfv2b 5239 dffn5im 5240 fneqeql 5296 f1ompt 5341 dff13 5428 fliftcnv 5455 isotr 5476 isoini 5477 caovord3 5694 releldm2 5831 tpostpos 5902 nnaordi 6104 iserd 6155 ecdmn0m 6171 qliftel 6209 qliftfun 6211 qliftf 6214 ecopovsym 6225 supisolem 6421 cnvti 6432 recmulnqg 6581 nqtri3or 6586 ltmnqg 6591 mullocprlem 6760 addextpr 6811 gt0srpr 6925 ltsosr 6941 ltasrg 6947 xrlenlt 7177 letri3 7192 subadd 7311 ltsubadd2 7537 lesubadd2 7539 suble 7544 ltsub23 7546 ltaddpos2 7557 ltsubpos 7558 subge02 7582 ltaddsublt 7671 reapneg 7697 apsym 7706 apti 7722 leltap 7724 ap0gt0 7738 divmulap 7763 divmulap3 7765 rec11rap 7799 ltdiv1 7946 ltdivmul2 7956 ledivmul2 7958 ltrec 7961 suprleubex 8032 nnle1eq1 8063 avgle1 8271 avgle2 8272 nn0le0eq0 8316 znnnlt1 8399 zleltp1 8406 elz2 8419 uzm1 8649 uzin 8651 difrp 8770 xrletri3 8875 xltnegi 8902 elioo5 8956 elfz5 9037 fzdifsuc 9098 elfzm11 9108 uzsplit 9109 elfzonelfzo 9239 qtri3or 9252 qavgle 9267 flqbi 9292 flqbi2 9293 zmodid2 9354 q2submod 9387 sqap0 9542 lt2sq 9549 le2sq 9550 nn0opthlem1d 9647 ibcval5 9690 shftfib 9711 mulreap 9751 caucvgrelemcau 9866 caucvgre 9867 elicc4abs 9980 abs2difabs 9994 cau4 10002 maxclpr 10108 negfi 10110 lemininf 10115 clim2 10122 climeq 10138 dvdsval3 10199 dvdslelemd 10243 dvdsabseq 10247 dvdsflip 10251 dvdsssfz1 10252 zeo3 10267 ndvdsadd 10331 dvdssq 10420 algcvgblem 10431 lcmdvds 10461 ncoprmgcdgt1b 10472 isprm3 10500 |
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