Section Porder.
Load "hCoefStructure".
Load "hOrderStructure".
Load "hTerm".
Set Implicit Arguments.
Unset Strict Implicit.
Definition ltT (a b : Term A n) : Prop := ltM (T2M a) (T2M b).
Hint Unfold ltT.
Set Strict Implicit.
Unset Implicit Arguments.
unfold transitive, ltT in |- *; auto.
intros x y z H' H'0; apply (ltM_trans _ _ _ _ os) with (y := T2M y); auto.
Qed.
unfold eqT in |- *; unfold ltT in |- *; intros a b c H; rewrite H; auto.
Qed.
unfold eqT in |- *; unfold ltT in |- *; intros a b c H; rewrite H; auto.
Qed.
intros x y; unfold eqT in |- *; simpl in |- *; auto.
apply eqmon_dec.
Qed.
intros x y; exact (ltM_dec (T2M x) (T2M y)).
Qed.
unfold eqT, ltT in |- *; simpl in |- *; intros x y H; rewrite H; auto.
apply ltM_nonrefl with (1 := os).
Qed.
unfold eqT, ltT, not in |- *; simpl in |- *; intros x y H Q;
absurd (ltM (T2M x) (T2M y)); auto; rewrite Q; auto.
apply ltM_nonrefl with (1 := os).
Qed.
intros x; unfold ltT in |- *; apply ltM_nonrefl with (1 := os).
Qed.
Hint Resolve ltT_not_eqT eqT_not_ltT ltT_not_refl.
intros x y H'; red in |- *; intros H'0; absurd (ltT x x); auto.
apply ltT_trans with (y := y); auto.
Qed.
Hint Resolve ltT_not_ltT.

Lemma ltT_eqT :
forall a b c d : Term A n, eqT a b -> eqT c d -> ltT a c -> ltT b d.