Prove the following sequents. [50 points]
a. (a ʌ b) ʌ c ͱ a ʌ (b ʌ c)
b. p ͱ q → (p ʌ q)
c. (p → q) ʌ (q → r) ͱ p ʌ q → r
d. p → (q ʌ r) ͱ (p → q) ʌ (p → r)

Type the correct answer in the box. spell all words correctly. which view of report creation allows you to customize the report before the database program creates it? creating a report in allows you to customize the report before the database program creates it. pl asap

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15: 28read the summary of "an indian's view of indian affairs."15 betterin "an indian's view of indian affairs," it is asserted that conflicts could be reduced if white americansunderstood native americans..pswhich of the following would make this summary more complete? eleo the fact that chief joseph believes the great spirit sees everythinthe fact that chief joseph was born in oregon and is thirty-eight years oldo the fact that chief joseph states that he speaks from the hearthehehethe fact that chief joseph of the nez percé tribe made this claimebell- ==feetle===-felsefe ==submitmark this and retum.=