Prove Lemma 1.4.5 (1) Lemma... Exercise 1.4.1. [Used in Lemma 1.4.5.] Prove Lemma 1.4.5 (1) Lemma 1.4.5. Let x, y, z ∈ Z
Posted: Thu Jun 30, 2022 7:39 pm
Prove Lemma 1.4.5 (1) Lemma... Exercise 1.4.1. [Used in Lemma1.4.5.] Prove Lemma 1.4.5 (1) Lemma 1.4.5. Let x, y, z ∈ Z. If x +z = y + z, then x = y (Cancellation Law for Addition)