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In a certain code language, A+B means 'A is the wife of B', AтИТB means 'A is the brother of B', A├ЧB means 'A is the father of B', and A├╖B means 'A is the sister of B'. How is P related to T if 'P+QтИТR├ЧS├╖T'?
Mother's brother's wife
Father's sister
Father's brother's wife
Mother
Father's brother's wife
Break down the expression symbol by symbol: + is Wife, - is Brother, x is Father, and ├╖ is Sister. Build the family tree starting from the last element to determine the gender and generation levels.
Break down the expression symbol by symbol: + is Wife, - is Brother, x is Father, and ├╖ is Sister. Build the family tree starting from the last element to determine the gender and generation levels.
Analyze the expression
The expression is P + Q - R x S ├╖ T. Break it down: (P + Q) = P is wife of Q; (Q - R) = Q is brother of R; (R x S) = R is father of S; (S ├╖ T) = S is sister of T.
Map the Relationships
From P + Q, P is female and married to Q. From Q - R, Q and R are brothers. Since Q is married to P, and Q is a brother to R, P is the sister-in-law of R.
Final Deduction
R is the father of S and T. Since P is married to Q (R's brother), P is the 'Father's brother's wife' (Aunt) to S and T.
A: Mother is incorrect as P is Q's wife. B: Mother's brother's wife refers to Maternal Aunt, which is incorrect. D: Father's sister refers to Paternal Aunt, incorrect.
C is correct because P is the wife of Q, who is the brother of R (the father of S and T), making P the paternal aunt (Father's brother's wife).
In blood relation coding, always draw the gender (+/-) to avoid confusion. Wives are always linked by a double-sided equality or specific marriage symbol.
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