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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 2306 | 1 ⊢ (𝜑 → 𝐴 ∈ 𝐶) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1395 ∈ wcel 2200 |
| 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 1493 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-4 1556 ax-17 1572 ax-ial 1580 ax-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-cleq 2222 df-clel 2225 |
| This theorem is referenced by: eqeltrrdi 2321 snexprc 4274 onsucelsucexmidlem 4625 dcextest 4677 nnpredcl 4719 ovprc 6049 nnmcl 6644 xpsnen 7000 pw1fin 7095 xpfi 7117 snexxph 7140 ctssdclemn0 7300 nninfisollemne 7321 nninfisol 7323 exmidonfinlem 7394 pw1on 7434 indpi 7552 nq0m0r 7666 genpelxp 7721 un0mulcl 9426 znegcl 9500 zeo 9575 eqreznegel 9838 xnegcl 10057 modqid0 10602 q2txmodxeq0 10636 ser0 10785 expcllem 10802 m1expcl2 10813 nn0ltexp2 10961 bcval 11001 bccl 11019 hashinfom 11030 lswex 11155 pfxclz 11250 pfxwrdsymbg 11261 cats1un 11292 cats1fvn 11335 cats1fvnd 11336 resqrexlemlo 11564 iserge0 11894 sumrbdclem 11928 fsum3cvg 11929 summodclem3 11931 summodclem2a 11932 fisumss 11943 binom 12035 bcxmas 12040 prodf1 12093 prodrbdclem 12122 fproddccvg 12123 prodmodclem2a 12127 fprodntrivap 12135 prodssdc 12140 fprodssdc 12141 gcdval 12520 gcdcl 12527 lcmcl 12634 pcxnn0cl 12873 pcxcl 12874 pcmptcl 12905 infpnlem2 12923 zgz 12936 4sqlem19 12972 znf1o 14655 ssblps 15139 ssbl 15140 xmeter 15150 blssioo 15267 elply 15448 plycj 15475 1sgmprm 15708 lgslem4 15722 lgsne0 15757 2sqlem9 15843 2sqlem10 15844 uhgr0enedgfi 16075 vtxdgfi0e 16101 bj-charfun 16338 012of 16528 2o01f 16529 nninfsellemeqinf 16554 nninffeq 16558 trilpolemclim 16576 iswomni0 16591 |
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