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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 4482 mptiniseg 5285 elovmporab 6292 supeq1 7333 supeq2 7336 supeq3 7337 cardcl 7533 isnumi 7534 cardval3ex 7537 carden2bex 7542 genpdflem 7881 genipv 7883 genpelxp 7885 addcomprg 7952 mulcomprg 7954 uzval 9940 ixxval 10316 fzval 10431 hashinfom 11240 hashennn 11242 ssenneg 11303 hashfibclem 11305 hashfibc 11306 shftfn 11612 bitsfval 12735 gcdval 12762 lcmval 12867 isprm 12913 odzval 13050 pceulem 13103 pceu 13104 pcval 13105 pczpre 13106 pcdiv 13111 ballotfilemi 13302 ballotfi 13341 cntzval 14154 cntzsnval 14157 lspval 14837 aspval 15125 psrass1filem 15182 psrmulvalfi 15193 istopon 15251 toponsspwpwg 15260 clsval 15349 neival 15381 cnpval 15436 blvalps 15626 blval 15627 limccl 15897 ellimc3apf 15898 eldvap 15920 sgmval 16264 vtxdgfifival 16749 clwwlknon 16887 clwwlk0on0 16889 eupth2fi 16937 |
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