How to define sister predicate in Prolog -


"predicates अभिभावक (एक्स, वाई) का उपयोग कर , पुरुष (एक्स) < / कोड>, और मादा (एक्स) लिखो, एक प्रोल की व्याख्या करें जो कि बहन (एक्स, वाई) परिभाषित करता है। "

मैं सिखाने की कोशिश कर रहा हूं खुद को गिगल्स के लिए प्रोलोल का उपयोग कैसे करना है, और मैं जो सबक का उपयोग कर रहा हूं, उसे एक असाइनमेंट के रूप में है, मुझे यह भी पता नहीं है कि इस के साथ कहां आरंभ करना है

उस बहन (एक्स, वाई) का अर्थ है: एक्स वाई की एक बहन है (केवल एक्स ही चाहिए महिला हो) माता-पिता (एक्स, वाई) का अर्थ है: एक्स वाई का मूल है। 

  बहन (एक्स, वाई): - महिला (एक्स), अभिभावक (जेड, वाई), अभिभावक (जेड , एक्स), एक्स \ = वाई।   
 प्रोलॉग सीखने के लिए यहां एक महान ऑनलाइन संसाधन है:

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