| 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 2807 | . . 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 2804 | . 2 ⊢ (𝜑 → {𝑥 ∈ 𝐵 ∣ 𝜓} = {𝑥 ∈ 𝐵 ∣ 𝜒}) |
| 6 | 3, 5 | eqtrd 2267 | 1 ⊢ (𝜑 → {𝑥 ∈ 𝐴 ∣ 𝜓} = {𝑥 ∈ 𝐵 ∣ 𝜒}) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ↔ wb 105 = wceq 1398 {crab 2526 |
| 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-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2216 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rab 2531 |
| This theorem is referenced by: elfvmptrab1 5774 elovmporab1w 6257 suppval 6439 mpoxopoveq 6473 supeq123d 7284 phival 12918 dfphi2 12925 gsumress 13629 ismhm 13695 mhmex 13696 issubm 13706 issubg 13911 subgex 13914 isnsg 13940 dfrhm2 14321 isrim0 14328 issubrng 14367 issubrg 14389 rrgval 14430 lsssetm 14553 mplvalcoe 14894 cldval 15013 neifval 15054 cnfval 15108 cnpfval 15109 cnprcl2k 15120 hmeofvalg 15217 ispsmet 15237 ismet 15258 isxmet 15259 blfvalps 15299 cncfval 15486 vtxdgfval 16332 vtxdgop 16336 vtxdeqd 16340 clwwlkg 16437 clwwlkng 16449 |
| Copyright terms: Public domain | W3C validator |