Some Comparing lemmas in analysis (epsilon delta language)
lemma of "less than" Content: \(x, y \in \Bbb{R}\), \(\forall \epsilon \gt 0\), \(x \lt y + \epsilon\), then \(x \leq y\) Proof lemma of "Equal" Content: \(x, y \in \Bbb{R}\), \(\forall \epsilon \gt