Module Arithmetic
Set Implicit Arguments.
Require Import MyTactics.
Lemma le_succ:
forall m n,
m <=
n ->
S m <=
S n.
Proof.
intuition omega.
Qed.
Lemma gt_succ:
forall m n,
m >
n ->
S m >
S n.
Proof.
intuition omega.
Qed.
Hint Resolve le_succ gt_succ.
Lemma lt_a_fortiori:
forall m n,
m <
n ->
m <
S n.
Proof.
intros; omega.
Qed.