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Definition df-cup 34386
Description: Define the little cup function. See brcup 34456 for its value. (Contributed by Scott Fenton, 14-Apr-2014.)
Assertion
Ref Expression
df-cup Cup = (((V × V) × V) ∖ ran ((V ⊗ E ) △ (((1st ∘ E ) ∪ (2nd ∘ E )) ⊗ V)))

Detailed syntax breakdown of Definition df-cup
StepHypRef Expression
1 ccup 34363 . 2 class Cup
2 cvv 3444 . . . . 5 class V
32, 2cxp 5630 . . . 4 class (V × V)
43, 2cxp 5630 . . 3 class ((V × V) × V)
5 cep 5535 . . . . . 6 class E
62, 5ctxp 34347 . . . . 5 class (V ⊗ E )
7 c1st 7912 . . . . . . . . 9 class 1st
87ccnv 5631 . . . . . . . 8 class 1st
98, 5ccom 5636 . . . . . . 7 class (1st ∘ E )
10 c2nd 7913 . . . . . . . . 9 class 2nd
1110ccnv 5631 . . . . . . . 8 class 2nd
1211, 5ccom 5636 . . . . . . 7 class (2nd ∘ E )
139, 12cun 3907 . . . . . 6 class ((1st ∘ E ) ∪ (2nd ∘ E ))
1413, 2ctxp 34347 . . . . 5 class (((1st ∘ E ) ∪ (2nd ∘ E )) ⊗ V)
156, 14csymdif 4200 . . . 4 class ((V ⊗ E ) △ (((1st ∘ E ) ∪ (2nd ∘ E )) ⊗ V))
1615crn 5633 . . 3 class ran ((V ⊗ E ) △ (((1st ∘ E ) ∪ (2nd ∘ E )) ⊗ V))
174, 16cdif 3906 . 2 class (((V × V) × V) ∖ ran ((V ⊗ E ) △ (((1st ∘ E ) ∪ (2nd ∘ E )) ⊗ V)))
181, 17wceq 1542 1 wff Cup = (((V × V) × V) ∖ ran ((V ⊗ E ) △ (((1st ∘ E ) ∪ (2nd ∘ E )) ⊗ V)))
Colors of variables: wff setvar class
This definition is referenced by:  brcup  34456
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