Tolong bantu jawab, makasih (Logika matematika)

a)
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b)
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B...S....B.......S...........S............B
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S....S...S........B............S...........B

c)
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B...S...B......S.........S...............B
B...S...S.......B.........S...............B
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S...B....S.......B..........B.............S
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d)
p...q....r....~p....~p^q........~p^q->r
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B...B...B....S...........S.................B
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B...S...B......S...........S.................B
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S...B...B......B............B.................B
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S...S.....B....B............S.................B
S...S......S...B............S.................B