0 votes 0 votes Prove that these four statements about the integer $n$ are equivalent: $n^2$is odd, $1−n$ is even, $n^3$ is odd, $n^2+1$ is even. Mathematical Logic kenneth-rosen discrete-mathematics mathematical-logic propositional-logic + – Pooja Khatri asked Apr 4, 2019 Pooja Khatri 304 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.