Сколько существует различных логических операций с двумя высказываниями?

var i,s,p: integer; a: array [1..100] of integer;

begin 

s: =0; p: =0;

writeln('vvedite masiv a: ');  

for i: =1 to 10 do begin

write('a[',i,']=');

readln(a[i]);

end;

for i: =1 to 10 do begin

if a[i]> 0 then s: =s+a[i];  

end;

s: =s*2;

writeln('udvoennaya suma polozhitelnih elementov=',s);

writeln('indexi elementov kotorie bolshe prediduschego: ');

writeln;

for i: =2 to 10 do begin

if a[i]> a[i-1] then write(i,', ');

end;

for i: =2 to 10 do begin

if ((a[i]> =0) and (a[i-1]> =0)) or ((a[i]< 0) and (a[i-1]< 0)) then p: =p+1;

end;

writeln;

if p> 0 then writeln('masiv imeet pari sosednih elementov s odnakovimi znakami') else   writeln('masiv ne imeet pari sosednih elementov s odnakovimi znakami');  

readln(s);

end. 

var i, j, min, min_i, min_j: integer; a: array[1..5, 1..5] of integer;

begin for i : = 1 to 5 do begin for j : = 1 to 5 do begin a[i, j] : = random(100) + 1; write(a[i, j]: 4); end; writeln; end; min : = 999; for i : = 1 to 5 do for j : = 1 to 5 do if min > a[i, j] then begin min : = a[i, j]; min_i : = i; min_j : = j; end; a[min_i, min_j] : = 0; writeln('массив с замененным минимальным элементом'); for i : = 1 to 5 do begin for j : = 1 to 5 do write(a[i, j]: 4); writeln; end; end.