Mathematics, 31.03.2021 02:50 Mikey3414

Which statement must be true? Select all that apply. A. If p → q and q → r are true, then p → r is true.
B. If p → q and p are true, then q is true.
C. If p → q and r are true, then q → r is true.
D. If p → q and q are true, then p is true.

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Which statement must be true? Select all that apply. A. If p → q and q → r are true, then p → r is...