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begin label L; new i; new pr;
out "1 + 2";
out 1 + 2;
out "1 - 2";
out 1 - 2;
out "1 * 2";
out 1 * 2;
out "1 / 2";
out 1 / 2;
out "2 ** 2";
out 2 ** 2;
out "1 max 2";
out 1 max 2;
out "1 min 2";
out 1 min 2;
out "i<-((A)&(B));out length i";
i<-(("A")&("B"));out length i;
i <- 1;
L:out "i<-";
out i;
out "i = 2";
out i = 2;
out "i ~= 2";
out i ~= 2;
out "i < 2";
out i < 2;
out "i <= 2";
out i <= 2;
out "i > 2";
out i > 2;
out "i >= 2";
out i >= 2;
i <- i + 1;
if i <= 3 then goto L else undef;
out "~true";
out ~true;
out "~false";
out ~false;
pr<-'formal p; formal q;
begin
out "p<-"; out p;
out "q<-"; out q;
out "p and q";
out p and q;
out "p or q";
out p or q
end';
pr(false,false);
pr(true,false);
pr(false,true);
pr(true,true);
out "done"
end
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