Let A and B be subsets of R that are bounded above. Define A + B = {a + b : (a ∈A) ∧(b ∈B)}. Prove that lub(A + B) = lub
Posted: Thu Jun 30, 2022 7:34 pm
Let A and B be subsets of R that are bounded above. Define A + B= {a + b : (a ∈A) ∧(b ∈B)}. Prove that lub(A + B) = lubA +lubB.