| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > rabeqbidv | GIF version | ||
| Description: Equality of restricted class abstractions. (Contributed by Jeff Madsen, 1-Dec-2009.) |
| Ref | Expression |
|---|---|
| rabeqbidv.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
| rabeqbidv.2 | ⊢ (𝜑 → (𝜓 ↔ 𝜒)) |
| Ref | Expression |
|---|---|
| rabeqbidv | ⊢ (𝜑 → {𝑥 ∈ 𝐴 ∣ 𝜓} = {𝑥 ∈ 𝐵 ∣ 𝜒}) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rabeqbidv.1 | . . 3 ⊢ (𝜑 → 𝐴 = 𝐵) | |
| 2 | rabeq 2813 | . . 3 ⊢ (𝐴 = 𝐵 → {𝑥 ∈ 𝐴 ∣ 𝜓} = {𝑥 ∈ 𝐵 ∣ 𝜓}) | |
| 3 | 1, 2 | syl 14 | . 2 ⊢ (𝜑 → {𝑥 ∈ 𝐴 ∣ 𝜓} = {𝑥 ∈ 𝐵 ∣ 𝜓}) |
| 4 | rabeqbidv.2 | . . 3 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) | |
| 5 | 4 | rabbidv 2810 | . 2 ⊢ (𝜑 → {𝑥 ∈ 𝐵 ∣ 𝜓} = {𝑥 ∈ 𝐵 ∣ 𝜒}) |
| 6 | 3, 5 | eqtrd 2271 | 1 ⊢ (𝜑 → {𝑥 ∈ 𝐴 ∣ 𝜓} = {𝑥 ∈ 𝐵 ∣ 𝜒}) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 105 = wceq 1402 {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-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 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-clel 2234 df-nfc 2381 df-ral 2533 df-rab 2537 |
| This theorem is used by: elfvmptrab1 5804 elovmporab1w 6293 suppval 6481 mpoxopoveq 6515 supeq123d 7338 phival 13021 dfphi2 13028 gzsumress 13772 ismhm 13828 mhmex 13829 issubm 13839 issubg 14036 subgex 14039 isnsg 14065 cntzex 14151 cntzfval 14153 dfrhm2 14571 isrim0 14578 issubrng 14617 issubrg 14639 rrgval 14680 lsssetm 14803 mplvalcoe 15218 cldval 15337 neifval 15378 cnfval 15432 cnpfval 15433 cnprcl2k 15444 hmeofvalg 15541 ispsmet 15561 ismet 15582 isxmet 15583 blfvalps 15623 cncfval 15810 vtxdgfval 16746 vtxdgop 16750 vtxdeqd 16754 clwwlkg 16851 clwwlkng 16863 |
| Copyright terms: Public domain | W3C validator |