Def	ij	[ge]	core
Def	{...i}	[int_lower]	int 1
Def	Rem(a;n;r)	[rem_nrel]
Def	{i...}	[int_upper]	int 1
Def	{i..j}	[int_seg]	int 1
Def	Div(a;n;q)	[div_nrel]
Def	i j < k	[lelt]	int 1
Def		[nat]	int 1
Def	AB	[le]	core
Def	P Q	[iff]	core
Def	{T}	[guard]	core
Def	x:A. B(x)	[all]	core
Def	P Q	[implies]	core
Def	i > j	[gt]	core
Def		[int_nzero]	int 1
Def	a b	[nequal]	core
Def	Dec(P)	[decidable]	core
Def	A	[not]	core
Def		[nat_plus]	int 1
Def	|i|	[absval]
Def	i = j	[pm_equal]
Def	Prop	[prop]	core
Def	imin(a;b)	[imin]
Def	a -- b	[ndiff]
Def	a mod n	[modulus]
Def	a n	[div_floor]
Def	WellFnd{i}(A;x,y.R(x;y))	[wellfounded]	well fnd
Def	imax(a;b)	[imax]
Def	ij	[le_int]	bool 1
Def	if b t else f fi	[ifthenelse]	bool 1
Def	P Q	[or]	core
Def	P & Q	[and]	core
Def	x:A. B(x)	[exists]	core
Def	i=j	[eq_int]	bool 1
Def	P Q	[rev_implies]	core
Def	i < j	[lt_int]	bool 1
Def	b	[bnot]	bool 1

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