0<1
0<=1
0>1
0>=1
1<0
1<=0
1>0
1>=0
1<1
1<=1
1>1
1>=1
'0'<1
'0'<=1
'0'>1
'0'>=1
0<'1.2'
0<='1.2'
0>'1.2'
0>='1.2'
false()<1
false()<=1
0>true()
0>=true()