Category : Miscellaneous Language Source Code
Archive   : PROLOG19.ZIP
Filename : FAMILY.PRO

 
Output of file : FAMILY.PRO contained in archive : PROLOG19.ZIP
/* To analyze the family structure of the family of Queen Victoria.
English friend of mine notes there wasn't a Harry. I put him in.

Answers the compelling question: Who is X the sister of?

Ask: ?-sisterof( alice, X ). or ?-sisterof( alice, harry ).

or ?-sisterof( alice, X ), loves( X, wine ). as an example of a
complex question.

or even:

sisterof( alice, X ), loves( X, wine ), loves( alice, wine ).

*/

sisterof( X, Y ) :- parents( X, M, F ),
female( X ),
parents( Y, M, F ).

parents( edward, victoria, albert ).
parents( harry, victoria, albert ).
parents( alice, victoria, albert ).
female( alice ).

loves( harry, wine ).
loves( alice, wine ).


  3 Responses to “Category : Miscellaneous Language Source Code
Archive   : PROLOG19.ZIP
Filename : FAMILY.PRO
”

  1. Daniel says:
    January 27, 2013 at 3:59 pm

    Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!

  2. Joshie says:
    March 18, 2014 at 4:57 pm

    This is so awesome! 😀 I’d be cool if you could download an entire archive of this at once, though.

  3. DiskingRound says:
    January 14, 2015 at 10:57 pm

    But one thing that puzzles me is the “mtswslnkmcjklsdlsbdmMICROSOFT” string. There is an article about it here. It is definitely worth a read: http://www.os2museum.com/wp/mtswslnk/