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Question Number 144479 by byaw last updated on 25/Jun/21

  Consider the followinge  statments  P: All students with measles   stay in the sick bay.  T: All students in the sick   bay do not do homework.  Which of the following   is/are valid deductions   from the two statements  a) Kofi does not have   measles so Kofi does his   homework.  b)George has done his   homework therefore he  does not stay in the sick bay   c) Jane does not have  measles so she does not   stay in the sick bay

$$ \\ $$$$\mathrm{Consider}\:\mathrm{the}\:\mathrm{followinge} \\ $$$$\mathrm{statments} \\ $$$$\mathrm{P}:\:\mathrm{All}\:\mathrm{students}\:\mathrm{with}\:\mathrm{measles} \\ $$$$\:\mathrm{stay}\:\mathrm{in}\:\mathrm{the}\:\mathrm{sick}\:\mathrm{bay}. \\ $$$$\mathrm{T}:\:\mathrm{All}\:\mathrm{students}\:\mathrm{in}\:\mathrm{the}\:\mathrm{sick} \\ $$$$\:\mathrm{bay}\:\mathrm{do}\:\mathrm{not}\:\mathrm{do}\:\mathrm{homework}. \\ $$$$\mathrm{Which}\:\mathrm{of}\:\mathrm{the}\:\mathrm{following} \\ $$$$\:\mathrm{is}/\mathrm{are}\:\mathrm{valid}\:\mathrm{deductions} \\ $$$$\:\mathrm{from}\:\mathrm{the}\:\mathrm{two}\:\mathrm{statements} \\ $$$$\left.\mathrm{a}\right)\:\mathrm{Kofi}\:\mathrm{does}\:\mathrm{not}\:\mathrm{have}\: \\ $$$$\mathrm{measles}\:\mathrm{so}\:\mathrm{Kofi}\:\mathrm{does}\:\mathrm{his} \\ $$$$\:\mathrm{homework}. \\ $$$$\left.\mathrm{b}\right)\mathrm{George}\:\mathrm{has}\:\mathrm{done}\:\mathrm{his}\: \\ $$$$\mathrm{homework}\:\mathrm{therefore}\:\mathrm{he} \\ $$$$\mathrm{does}\:\mathrm{not}\:\mathrm{stay}\:\mathrm{in}\:\mathrm{the}\:\mathrm{sick}\:\mathrm{bay} \\ $$$$\left.\:\mathrm{c}\right)\:\mathrm{Jane}\:\mathrm{does}\:\mathrm{not}\:\mathrm{have} \\ $$$$\mathrm{measles}\:\mathrm{so}\:\mathrm{she}\:\mathrm{does}\:\mathrm{not}\: \\ $$$$\mathrm{stay}\:\mathrm{in}\:\mathrm{the}\:\mathrm{sick}\:\mathrm{bay} \\ $$

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