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ASME's Mechanical Engine…ing Toolkit 1997 December
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ASME's Mechanical Engineering Toolkit 1997 December.iso
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pdproprg.lzh
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ANS.PRO
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Text File
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1985-12-31
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512b
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21 lines
answer(A) :- ratom( X ), conv( X, A ), !.
conv(X,I) :- atoi( X, I ), 0 < I, I < 4, !.
conv(X,A) :- name( X, String ), valid_resp( String, A ), !.
valid_resp( [H|T], A ) :- type_ans( H, A ).
type_ans( X, A ) :- ([X] = "h"; [X] = "H"), A = help.
type_ans( X, A ) :- ([X] = "w"; [X] = "W"), A = why.
valid_resp( [], A ) :-
print('\nPlease try to give me a H,W, or number for an answer.'),
answer( A ), !.
valid_resp( [H|T], A ) :- valid_resp( T, A ).