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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 1398 ∈ 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 1496 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-4 1559 ax-17 1575 ax-ial 1583 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 4282 onsucelsucexmidlem 4633 dcextest 4685 nnpredcl 4727 ovprc 6064 nnmcl 6692 xpsnen 7048 pw1fin 7145 xpfi 7167 snexxph 7192 ctssdclemn0 7352 nninfisollemne 7373 nninfisol 7375 exmidonfinlem 7447 pw1on 7487 indpi 7605 nq0m0r 7719 genpelxp 7774 un0mulcl 9478 znegcl 9554 zeo 9629 eqreznegel 9892 xnegcl 10111 modqid0 10658 q2txmodxeq0 10692 ser0 10841 expcllem 10858 m1expcl2 10869 nn0ltexp2 11017 bcval 11057 bccl 11075 hashinfom 11086 lswex 11214 pfxclz 11309 pfxwrdsymbg 11320 cats1un 11351 cats1fvn 11394 cats1fvnd 11395 resqrexlemlo 11636 iserge0 11966 sumrbdclem 12001 fsum3cvg 12002 summodclem3 12004 summodclem2a 12005 fisumss 12016 binom 12108 bcxmas 12113 prodf1 12166 prodrbdclem 12195 fproddccvg 12196 prodmodclem2a 12200 fprodntrivap 12208 prodssdc 12213 fprodssdc 12214 gcdval 12593 gcdcl 12600 lcmcl 12707 pcxnn0cl 12946 pcxcl 12947 pcmptcl 12978 infpnlem2 12996 zgz 13009 4sqlem19 13045 znf1o 14730 ssblps 15219 ssbl 15220 xmeter 15230 blssioo 15347 elply 15528 plycj 15555 1sgmprm 15791 lgslem4 15805 lgsne0 15840 2sqlem9 15926 2sqlem10 15927 uhgr0enedgfi 16160 vtxdgfi0e 16219 eulerpathprum 16404 bj-charfun 16506 012of 16696 2o01f 16697 nninfsellemeqinf 16725 nninffeq 16729 trilpolemclim 16751 iswomni0 16767 |
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