refactor: Note

scripts/MetaPrograms/notes.lean

@@ -125,28 +125,18 @@ def perturbationTheory : Note where
       as it appears in HepLean. We start with some basic definitions.",
     .h1 "Field operators",
     .h2 "Field statistics",
-    .p "A quantum field can either be a bosonic or fermionic. This information is
-      contained in the inductive type `FieldStatistic`. This is defined as follows:",
     .name `FieldStatistic,
-    .p "Field statistics form a commuative group isomorphic to ℤ₂, with
-      the bosonic element of `FieldStatistic` being the identity element.",
-    .p "Most of our use of field statistics will come by comparing two field statistics
-      and picking up a minus sign when they are both fermionic. This concept is
-      made precise using the notion of an exchange sign, defined as:",
+    .name `FieldStatistic.instCommGroup,
     .name `FieldStatistic.exchangeSign,
-    .p "We use the notation `𝓢(a,b)` as shorthand for the exchange sign of `a` and `b`.",
     .h2 "Field specifications",
     .name `fieldSpecification_intro,
     .name `FieldSpecification,
-    .p "Some examples of `FieldSpecification`s are given below:",
-    .name `FieldSpecification.singleBoson,
-    .name `FieldSpecification.singleFermion,
-    .name `FieldSpecification.doubleBosonDoubleFermion,
     .h2 "Field operators",
     .name `FieldSpecification.FieldOp,
     .name `FieldSpecification.CrAnFieldOp,
     .h2 "Field-operator free algebra",
     .name `FieldSpecification.FieldOpFreeAlgebra,
+    .name `FieldSpecification.FieldOpFreeAlgebra.naming_convention,
     .name `FieldSpecification.FieldOpFreeAlgebra.superCommuteF,
     .h2 "Field-operator algebra",
     .name `FieldSpecification.FieldOpAlgebra,