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| Mirrors > Home > ILE Home > Th. List > rabbidv | GIF version | ||
| Description: Equivalent wff's yield equal restricted class abstractions (deduction form). (Contributed by NM, 10-Feb-1995.) |
| Ref | Expression |
|---|---|
| rabbidv.1 | ⊢ (𝜑 → (𝜓 ↔ 𝜒)) |
| Ref | Expression |
|---|---|
| rabbidv | ⊢ (𝜑 → {𝑥 ∈ 𝐴 ∣ 𝜓} = {𝑥 ∈ 𝐴 ∣ 𝜒}) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rabbidv.1 | . . 3 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) | |
| 2 | 1 | adantr 276 | . 2 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → (𝜓 ↔ 𝜒)) |
| 3 | 2 | rabbidva 2809 | 1 ⊢ (𝜑 → {𝑥 ∈ 𝐴 ∣ 𝜓} = {𝑥 ∈ 𝐴 ∣ 𝜒}) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 105 = wceq 1402 ∈ wcel 2209 {crab 2532 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-11 1559 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-ral 2533 df-rab 2537 |
| This theorem is used by: rabeqbidv 2816 difeq2 3341 seex 4480 mptiniseg 5282 elovmporab 6289 supeq1 7326 supeq2 7329 supeq3 7330 cardcl 7526 isnumi 7527 cardval3ex 7530 carden2bex 7535 genpdflem 7874 genipv 7876 genpelxp 7878 addcomprg 7945 mulcomprg 7947 uzval 9925 ixxval 10300 fzval 10415 hashinfom 11219 hashennn 11221 ssenneg 11282 hashfibclem 11284 hashfibc 11285 shftfn 11591 bitsfval 12711 gcdval 12738 lcmval 12843 isprm 12889 odzval 13022 pceulem 13075 pceu 13076 pcval 13077 pczpre 13078 pcdiv 13083 ballotfilemi 13245 ballotfi 13284 lspval 14729 aspval 15017 istopon 15116 toponsspwpwg 15125 clsval 15214 neival 15246 cnpval 15301 blvalps 15491 blval 15492 limccl 15762 ellimc3apf 15763 eldvap 15785 sgmval 16103 vtxdgfifival 16544 clwwlknon 16682 clwwlk0on0 16684 eupth2fi 16732 |
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