>make_parser.pl

>truth_table.pl
a       b       c       a*b*!(c)
0       0       0       0
0       0       1       0
0       1       0       0
0       1       1       0
1       0       0       0
1       0       1       0
1       1       0       1
1       1       1       0

a       b       c       a'+b'+c'
0       0       0       1
0       0       1       1
0       1       0       1
0       1       1       1
1       0       0       1
1       0       1       1
1       1       0       1
1       1       1       0

A       B       !(A*B)
0       0       1
0       1       1
1       0       1
1       1       0