Who Cites rel star?
rel_star	Def (R^*)(x,y) == n:. x rel_exp(T;R;n) y
	Thm* T:Type, R:(TTProp). (R^*) TTProp
rel_exp	Def rel_exp(T;R;n) == if n=0 x,y. x = y T else x,y. z:T. (x R z) & (z rel_exp(T;R;n-1) y) fi (recursive)
	Thm* n:, T:Type, R:(TTProp). rel_exp(T;R;n) TTProp
nat	Def == {i:| 0i }
	Thm* Type
eq_int	Def i=j == if i=j true ; false fi
	Thm* i,j:. (i=j)
le	Def AB == B < A
	Thm* i,j:. (ij) Prop
not	Def A == A False
	Thm* A:Prop. (A) Prop

Syntax:

R^*

has structure:

rel_star(T; R)

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