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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 3312 | . 2 ⊢ {𝑥 ∈ 𝐴 ∣ 𝜑} ⊆ 𝐴 | |
| 3 | 1, 2 | eqsstri 3259 | 1 ⊢ 𝐵 ⊆ 𝐴 |
| Colors of variables: wff set class |
| Syntax hints: = wceq 1397 {crab 2514 ⊆ wss 3200 |
| 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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-ext 2213 |
| This theorem depends on definitions: df-bi 117 df-nf 1509 df-sb 1811 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-rab 2519 df-in 3206 df-ss 3213 |
| This theorem is referenced by: pcprecl 12867 pcprendvds 12868 4sqlem13m 12981 4sqlem14 12982 4sqlem17 12985 nmzsubg 13802 nmznsg 13805 conjnmz 13871 conjnmzb 13872 nzrring 14203 lringnzr 14213 rrgeq0 14285 rrgss 14286 mpodvdsmulf1o 15720 fsumdvdsmul 15721 lgsfcl2 15741 |
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