--- a/src/CCL/ex/Nat.thy Wed Jun 21 11:35:10 1995 +0200
+++ b/src/CCL/ex/Nat.thy Wed Jun 21 15:01:07 1995 +0200
@@ -21,18 +21,18 @@
add_def "a #+ b == nrec(a,b,%x g.succ(g))"
mult_def "a #* b == nrec(a,zero,%x g.b #+ g)"
- sub_def "a #- b == letrec sub x y be ncase(y,x,%yy.ncase(x,zero,%xx.sub(xx,yy))) \
-\ in sub(a,b)"
- le_def "a #<= b == letrec le x y be ncase(x,true,%xx.ncase(y,false,%yy.le(xx,yy))) \
-\ in le(a,b)"
+ sub_def "a #- b == letrec sub x y be ncase(y,x,%yy.ncase(x,zero,%xx.sub(xx,yy)))
+ in sub(a,b)"
+ le_def "a #<= b == letrec le x y be ncase(x,true,%xx.ncase(y,false,%yy.le(xx,yy)))
+ in le(a,b)"
lt_def "a #< b == not(b #<= a)"
- div_def "a ## b == letrec div x y be if x #< y then zero else succ(div(x#-y,y)) \
-\ in div(a,b)"
+ div_def "a ## b == letrec div x y be if x #< y then zero else succ(div(x#-y,y))
+ in div(a,b)"
ack_def
- "ackermann(a,b) == letrec ack n m be ncase(n,succ(m),%x. \
-\ ncase(m,ack(x,succ(zero)),%y.ack(x,ack(succ(x),y))))\
-\ in ack(a,b)"
+ "ackermann(a,b) == letrec ack n m be ncase(n,succ(m),%x.
+ ncase(m,ack(x,succ(zero)),%y.ack(x,ack(succ(x),y))))
+ in ack(a,b)"
end