## Talvir Singh is teaching live on Unacademy Plus

SQUARE OF OPPOSITION MAKE IT EASY BY - TALVIR SINGH

CONTRADICTORY CONTRARY . SUB CONTRARY . SUB ALTERNATION

CONTRADICTORY CONTRARY a) b) c) d) a) IF ONE IS TRUE THE OTHER WILL BE FALSE DEFINITLY. IF ONE IS FALSE THE OTHER WILL BE TRUE DEFINITLY. BOTH CAN NOT BE TRUE OR FALSE AT THE SAME TIME. IF ONE IS DETERMINED THE OTHER WILL ALSO UNDETERMINED. ITS ALWAYS BETWEEN UNIVERSAL. BOTH STATEMENTS CANNOT BE TRUE AT THE SAME TIME BUT BOTH CAN BE FALSE. b) c) IF ONE IS TRUE THE OTHER WILL BE FALSE d) IF ONE IS FALSE THE OTHER WILL BE DOUBTFUL. DEFINITLY SUB-CONTRARY SUBALTERNATION a) ITS ALWAYS BETWEEN PARTICULARS. b) OPPOSITE TO CONTRARY c) BOTH STATEMENTS CANNOT BE FALSE AT THE a) b) c) d) e) f) TRUTH DOWNWARD FALSE UPWARD BETWEEN UNIVERSALAND PARTICULARS IF UNIVERSALIS TRUE PARTICULAR WILL BE TRUE DEFINITLY IF UNIVERSALIS FALSE PARTICULAR WILL BE DOUBTFUL. IF PARTICULAR IS FALSE UNIVERSAL WILL BE FALSE DEFINITLY IF PARTICULAR IS TRUE UNIVERSAL WILL BE DOUBTFUL. SAME TIME BUT BOTH CAN BE TRUE IF ONE IS FALSE THE OTHER WILL BE TRUE DEFINITLY IF ONE IS TRUE THE OTHER WILL BE DOUBTFUL. d) e)