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| Mirrors > Home > ILE Home > Th. List > eqeltrrid | GIF version | ||
| Description: B membership and equality inference. (Contributed by NM, 4-Jan-2006.) |
| Ref | Expression |
|---|---|
| eqeltrrid.1 | ⊢ 𝐵 = 𝐴 |
| eqeltrrid.2 | ⊢ (𝜑 → 𝐵 ∈ 𝐶) |
| Ref | Expression |
|---|---|
| eqeltrrid | ⊢ (𝜑 → 𝐴 ∈ 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqeltrrid.1 | . . 3 ⊢ 𝐵 = 𝐴 | |
| 2 | 1 | eqcomi 2238 | . 2 ⊢ 𝐴 = 𝐵 |
| 3 | eqeltrrid.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ 𝐶) | |
| 4 | 2, 3 | eqeltrid 2321 | 1 ⊢ (𝜑 → 𝐴 ∈ 𝐶) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1398 ∈ wcel 2205 |
| 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 2216 |
| This theorem depends on definitions: df-bi 117 df-cleq 2227 df-clel 2230 |
| This theorem is referenced by: dmrnssfld 5022 cnvexg 5302 opabbrex 6099 offval 6276 resfunexgALT 6303 abrexexg 6313 abrexex2g 6315 opabex3d 6316 oprssdmm 6367 unfidisj 7184 residfi 7209 ssfii 7263 djuexb 7337 nqprlu 7864 iccshftr 10330 iccshftl 10332 iccdil 10334 icccntr 10336 mertenslem2 12226 exprmfct 12839 infpnlem1 13061 4sqlem13m 13105 ennnfonelemg 13171 prdsval 13503 prdsbaslemss 13504 grpidvalg 13603 igsumvalx 13619 grppropstrg 13749 releqgg 13954 eqgex 13955 0opn 14888 difopn 14990 tgrest 15051 txbasex 15139 txdis1cn 15160 cnmptid 15163 cnmptc 15164 cnmpt1st 15170 cnmpt2nd 15171 cnmpt2c 15172 hmeoima 15192 hmeocld 15194 fsumcncntop 15449 expcn 15451 plycoeid3 15639 |
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