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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 2309 | 1 ⊢ (𝜑 → 𝐴 ∈ 𝐶) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1398 ∈ wcel 2203 |
| 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 1496 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-4 1559 ax-17 1575 ax-ial 1583 ax-ext 2214 |
| This theorem depends on definitions: df-bi 117 df-cleq 2225 df-clel 2228 |
| This theorem is referenced by: eqeltrrdi 2324 snexprc 4299 onsucelsucexmidlem 4651 dcextest 4703 nnpredcl 4745 ovprc 6086 nnmcl 6714 xpsnen 7072 pw1fin 7170 xpfi 7192 mapfi 7214 snexxph 7220 0fsupp 7251 ctssdclemn0 7401 nninfisollemne 7422 nninfisol 7424 exmidonfinlem 7496 pw1on 7536 indpi 7657 nq0m0r 7771 genpelxp 7826 un0mulcl 9530 znegcl 9608 zeo 9683 eqreznegel 9946 xnegcl 10165 modqid0 10712 q2txmodxeq0 10746 ser0 10895 expcllem 10912 m1expcl2 10923 nn0ltexp2 11071 bcval 11111 bccl 11129 hashinfom 11141 lswex 11276 pfxclz 11371 pfxwrdsymbg 11382 cats1un 11413 cats1fvn 11456 cats1fvnd 11457 resqrexlemlo 11698 iserge0 12028 sumrbdclem 12063 fsum3cvg 12064 summodclem3 12066 summodclem2a 12067 fisumss 12078 binom 12170 bcxmas 12175 prodf1 12228 prodrbdclem 12257 fproddccvg 12258 prodmodclem2a 12262 fprodntrivap 12270 prodssdc 12275 fprodssdc 12276 gcdval 12655 gcdcl 12662 lcmcl 12769 pcxnn0cl 13008 pcxcl 13009 pcmptcl 13040 infpnlem2 13058 zgz 13071 4sqlem19 13107 znf1o 14799 ssblps 15290 ssbl 15291 xmeter 15301 blssioo 15418 elply 15599 plycj 15626 1sgmprm 15862 lgslem4 15876 lgsne0 15911 2sqlem9 15997 2sqlem10 15998 uhgr0enedgfi 16231 vtxdgfi0e 16290 eulerpathprum 16475 bj-charfun 16577 012of 16767 2o01f 16768 nninfsellemeqinf 16794 nninffeq 16798 trilpolemclim 16820 iswomni0 16836 |
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