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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 6053 nnmcl 6648 xpsnen 7004 pw1fin 7101 xpfi 7123 snexxph 7148 ctssdclemn0 7308 nninfisollemne 7329 nninfisol 7331 exmidonfinlem 7403 pw1on 7443 indpi 7561 nq0m0r 7675 genpelxp 7730 un0mulcl 9435 znegcl 9509 zeo 9584 eqreznegel 9847 xnegcl 10066 modqid0 10611 q2txmodxeq0 10645 ser0 10794 expcllem 10811 m1expcl2 10822 nn0ltexp2 10970 bcval 11010 bccl 11028 hashinfom 11039 lswex 11164 pfxclz 11259 pfxwrdsymbg 11270 cats1un 11301 cats1fvn 11344 cats1fvnd 11345 resqrexlemlo 11573 iserge0 11903 sumrbdclem 11937 fsum3cvg 11938 summodclem3 11940 summodclem2a 11941 fisumss 11952 binom 12044 bcxmas 12049 prodf1 12102 prodrbdclem 12131 fproddccvg 12132 prodmodclem2a 12136 fprodntrivap 12144 prodssdc 12149 fprodssdc 12150 gcdval 12529 gcdcl 12536 lcmcl 12643 pcxnn0cl 12882 pcxcl 12883 pcmptcl 12914 infpnlem2 12932 zgz 12945 4sqlem19 12981 znf1o 14664 ssblps 15148 ssbl 15149 xmeter 15159 blssioo 15276 elply 15457 plycj 15484 1sgmprm 15717 lgslem4 15731 lgsne0 15766 2sqlem9 15852 2sqlem10 15853 uhgr0enedgfi 16086 vtxdgfi0e 16145 bj-charfun 16402 012of 16592 2o01f 16593 nninfsellemeqinf 16618 nninffeq 16622 trilpolemclim 16640 iswomni0 16655 |
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