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| Mirrors > Home > ILE Home > Th. List > eqeltrdi | GIF version | ||
| Description: A membership and equality inference. (Contributed by NM, 4-Jan-2006.) |
| Ref | Expression |
|---|---|
| eqeltrdi.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
| eqeltrdi.2 | ⊢ 𝐵 ∈ 𝐶 |
| Ref | Expression |
|---|---|
| eqeltrdi | ⊢ (𝜑 → 𝐴 ∈ 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqeltrdi.1 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 2 | eqeltrdi.2 | . . 3 ⊢ 𝐵 ∈ 𝐶 | |
| 3 | 2 | a1i 9 | . 2 ⊢ (𝜑 → 𝐵 ∈ 𝐶) |
| 4 | 1, 3 | eqeltrd 2308 | 1 ⊢ (𝜑 → 𝐴 ∈ 𝐶) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1397 ∈ wcel 2202 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1495 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-4 1558 ax-17 1574 ax-ial 1582 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-cleq 2224 df-clel 2227 |
| This theorem is referenced by: eqeltrrdi 2323 snexprc 4276 onsucelsucexmidlem 4627 dcextest 4679 nnpredcl 4721 ovprc 6054 nnmcl 6649 xpsnen 7005 pw1fin 7102 xpfi 7124 snexxph 7149 ctssdclemn0 7309 nninfisollemne 7330 nninfisol 7332 exmidonfinlem 7404 pw1on 7444 indpi 7562 nq0m0r 7676 genpelxp 7731 un0mulcl 9436 znegcl 9510 zeo 9585 eqreznegel 9848 xnegcl 10067 modqid0 10613 q2txmodxeq0 10647 ser0 10796 expcllem 10813 m1expcl2 10824 nn0ltexp2 10972 bcval 11012 bccl 11030 hashinfom 11041 lswex 11169 pfxclz 11264 pfxwrdsymbg 11275 cats1un 11306 cats1fvn 11349 cats1fvnd 11350 resqrexlemlo 11578 iserge0 11908 sumrbdclem 11943 fsum3cvg 11944 summodclem3 11946 summodclem2a 11947 fisumss 11958 binom 12050 bcxmas 12055 prodf1 12108 prodrbdclem 12137 fproddccvg 12138 prodmodclem2a 12142 fprodntrivap 12150 prodssdc 12155 fprodssdc 12156 gcdval 12535 gcdcl 12542 lcmcl 12649 pcxnn0cl 12888 pcxcl 12889 pcmptcl 12920 infpnlem2 12938 zgz 12951 4sqlem19 12987 znf1o 14671 ssblps 15155 ssbl 15156 xmeter 15166 blssioo 15283 elply 15464 plycj 15491 1sgmprm 15724 lgslem4 15738 lgsne0 15773 2sqlem9 15859 2sqlem10 15860 uhgr0enedgfi 16093 vtxdgfi0e 16152 eulerpathprum 16337 bj-charfun 16428 012of 16618 2o01f 16619 nninfsellemeqinf 16644 nninffeq 16648 trilpolemclim 16666 iswomni0 16682 |
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