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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 3322 | . 2 ⊢ {𝑥 ∈ 𝐴 ∣ 𝜑} ⊆ 𝐴 | |
| 3 | 1, 2 | eqsstri 3269 | 1 ⊢ 𝐵 ⊆ 𝐴 |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1398 {crab 2524 ⊆ wss 3210 |
| 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 2214 |
| This theorem depends on definitions: df-bi 117 df-nf 1510 df-sb 1812 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-rab 2529 df-in 3216 df-ss 3223 |
| This theorem is referenced by: if0ss 3623 pcprecl 12983 pcprendvds 12984 4sqlem13m 13097 4sqlem14 13098 4sqlem17 13101 nmzsubg 13919 nmznsg 13922 conjnmz 13988 conjnmzb 13989 nzrring 14320 lringnzr 14330 rrgeq0 14402 rrgss 14404 psrbagconf1o 14820 mpodvdsmulf1o 15850 fsumdvdsmul 15851 lgsfcl2 15871 |
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