====== Warehouse ======
{{tag>money}}
===== Description =====
Checking if some goods are in price range

**Source**:  PROLOG str. 65 Wydawnictwo PLJ Warszawa 1991 ISBN 83-85190-63-5
===== Download =====
Program source code: {{warehouse.pl}}
===== Listing =====
<code prolog>
wyrob(towar1, 10, 10).
wyrob(towar2, 50, 220).
wyrob(towar3, 120, 500).
wyrob(towar4, 110, 80).

zakup_wyrob(Nazwa) :- wyrob(Nazwa, Cena, Ilosc), Cena < 100, Ilosc > 200.</code>
===== Comments =====