Detailed syntax breakdown of Definition df-restrict
| Step | Hyp | Ref
| Expression |
| 1 | | crestrict 35852 |
. 2
class
Restrict |
| 2 | | ccap 35848 |
. . 3
class
Cap |
| 3 | | c1st 8012 |
. . . 4
class
1st |
| 4 | | ccart 35842 |
. . . . 5
class
Cart |
| 5 | | c2nd 8013 |
. . . . . 6
class
2nd |
| 6 | | crange 35845 |
. . . . . . 7
class
Range |
| 7 | 6, 3 | ccom 5689 |
. . . . . 6
class (Range
∘ 1st ) |
| 8 | 5, 7 | ctxp 35831 |
. . . . 5
class
(2nd ⊗ (Range ∘ 1st
)) |
| 9 | 4, 8 | ccom 5689 |
. . . 4
class (Cart
∘ (2nd ⊗ (Range ∘ 1st
))) |
| 10 | 3, 9 | ctxp 35831 |
. . 3
class
(1st ⊗ (Cart ∘ (2nd ⊗ (Range
∘ 1st )))) |
| 11 | 2, 10 | ccom 5689 |
. 2
class (Cap
∘ (1st ⊗ (Cart ∘ (2nd ⊗ (Range
∘ 1st ))))) |
| 12 | 1, 11 | wceq 1540 |
1
wff Restrict =
(Cap ∘ (1st ⊗ (Cart ∘ (2nd ⊗
(Range ∘ 1st ))))) |