| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 3333 | . 2 ⊢ {𝑥 ∈ 𝐴 ∣ 𝜑} ⊆ 𝐴 | |
| 3 | 1, 2 | eqsstri 3280 | 1 ⊢ 𝐵 ⊆ 𝐴 |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: = wceq 1402 {crab 2532 ⊆ wss 3220 |
| 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-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-rab 2537 df-in 3226 df-ss 3233 |
| This theorem is used by: if0ss 3642 pcprecl 13098 pcprendvds 13099 4sqlem13m 13212 4sqlem14 13213 4sqlem17 13216 ballotfilemfmpn 13293 ballotfilemafi 13297 ballotfilembfi 13298 ballotfilemth 13340 nmzsubg 14073 nmznsg 14076 conjnmz 14142 conjnmzb 14143 nzrring 14600 lringnzr 14610 rrgeq0 14683 rrgss 14685 psrbagconf1o 15179 psrass1filem 15182 mpodvdsmulf1o 16296 fsumdvdsmul 16297 lgsfcl2 16342 |
| Copyright terms: Public domain | W3C validator |