'All S P ہیں' کے بالواسطہ کیا ہے؟
Aکچھ S غیر P ہیں۔
Bکوئی S P نہیں ہے۔
Cتمام غیر S P ہیں۔
Dکوئی S غیر P نہیں ہے۔
Answer & Solution
Correct answer: D. کوئی S غیر P نہیں ہے۔
Obversion معیار کو پلٹتا ہے اور predicate کو اس کی تکمیل سے بدل دیتا ہے، جس سے کوئی S غیر P نہیں ہے۔
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