X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Flibrary%2Falgebra%2Fmonoids.ma;h=a80ee5fb06e40723f2f9e6051c255b9a3fa2a36d;hb=cc490fbf7eef0541c8655bd14a368191bed40e2b;hp=63b6430ec90facf077bfbd3b4b346a9e124d7cc9;hpb=a203c2900bfe3a9d9f1a845641863f9f3cbcac5e;p=helm.git

diff --git a/matita/library/algebra/monoids.ma b/matita/library/algebra/monoids.ma
index 63b6430ec..a80ee5fb0 100644
--- a/matita/library/algebra/monoids.ma
+++ b/matita/library/algebra/monoids.ma
@@ -21,10 +21,6 @@ record PreMonoid : Type ≝
    e: magma
  }.
 
-notation < "M" for @{ 'pmmagma $M }.
-interpretation "premonoid magma coercion" 'pmmagma M =
- (cic:/matita/algebra/monoids/magma.con M).
-
 record isMonoid (M:PreMonoid) : Prop ≝
  { is_semi_group:> isSemiGroup M;
    e_is_left_unit:
@@ -38,18 +34,6 @@ record Monoid : Type ≝
    monoid_properties:> isMonoid premonoid 
  }.
 
-notation < "M" for @{ 'semigroup $M }.
-interpretation "premonoid coercion" 'premonoid M =
- (cic:/matita/algebra/monoids/premonoid.con M).
- 
-notation < "M" for @{ 'typeofmonoid $M }.
-interpretation "premonoid coercion" 'typeofmonoid M =
- (cic:/matita/algebra/monoids/Type_of_Monoid.con M).
- 
-notation < "M" for @{ 'magmaofmonoid $M }.
-interpretation "premonoid coercion" 'magmaofmonoid M =
- (cic:/matita/algebra/monoids/Magma_of_Monoid.con M).
- 
 notation "1" with precedence 89
 for @{ 'munit }.