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At: quotient 1 1 corr 1 1 1 3 1
1. A: Type
2. B: Type
3. f: AB
4. R: BBProp
5. Bij(A; B; f)
6. EquivRel x,y:B. x R y
7. EquivRel x,y:A. x R_f y
8. g: BA
9. InvFuns(A; B; f; g)
10. F: (x,y:A//(x R_f y))(x,y:B//(x R y))
11. F = (x.f(x))
12. x: x,y:B//(x R y)

g(x) x,y:A//(x R_f y)
By:
Unfold `member` 0
THEN
Analyze 12
THEN
Analyze
Generated subgoal:

112. x1: B
13. x2: B
14. x1 R x2
(g(x1)) R_f (g(x2))

About:
memberquotientapplyuniversefunctionpropequallambda