Metamath Proof Explorer


Definition df-sset

Description: Define the subset class. For the value, see brsset . (Contributed by Scott Fenton, 31-Mar-2012)

Ref Expression
Assertion df-sset βŠ’π–²π–²π–Ύπ—=VΓ—Vβˆ–ran⁑EβŠ—Vβˆ–E

Detailed syntax breakdown

Step Hyp Ref Expression
0 csset class𝖲𝖲𝖾𝗍
1 cvv classV
2 1 1 cxp classVΓ—V
3 cep classE
4 1 3 cdif classVβˆ–E
5 3 4 ctxp classEβŠ—Vβˆ–E
6 5 crn classran⁑EβŠ—Vβˆ–E
7 2 6 cdif classVΓ—Vβˆ–ran⁑EβŠ—Vβˆ–E
8 0 7 wceq wff𝖲𝖲𝖾𝗍=VΓ—Vβˆ–ran⁑EβŠ—Vβˆ–E