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| Mirrors > Home > ILE Home > Th. List > ssrab3 | GIF version | ||
| Description: Subclass relation for a restricted class abstraction. (Contributed by Jonathan Ben-Naim, 3-Jun-2011.) |
| Ref | Expression |
|---|---|
| ssrab3.1 | ⊢ 𝐵 = {𝑥 ∈ 𝐴 ∣ 𝜑} |
| Ref | Expression |
|---|---|
| ssrab3 | ⊢ 𝐵 ⊆ 𝐴 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssrab3.1 | . 2 ⊢ 𝐵 = {𝑥 ∈ 𝐴 ∣ 𝜑} | |
| 2 | ssrab2 3313 | . 2 ⊢ {𝑥 ∈ 𝐴 ∣ 𝜑} ⊆ 𝐴 | |
| 3 | 1, 2 | eqsstri 3260 | 1 ⊢ 𝐵 ⊆ 𝐴 |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1398 {crab 2515 ⊆ wss 3201 |
| 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 2213 |
| This theorem depends on definitions: df-bi 117 df-nf 1510 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-rab 2520 df-in 3207 df-ss 3214 |
| This theorem is referenced by: if0ss 3611 pcprecl 12923 pcprendvds 12924 4sqlem13m 13037 4sqlem14 13038 4sqlem17 13041 nmzsubg 13858 nmznsg 13861 conjnmz 13927 conjnmzb 13928 nzrring 14259 lringnzr 14269 rrgeq0 14341 rrgss 14342 psrbagconf1o 14754 mpodvdsmulf1o 15784 fsumdvdsmul 15785 lgsfcl2 15805 |
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