master > master: codego methoden statt properties verwenden

codego/aussagenlogik/syntaxbaum/syntaxbaum.go

@@ -73,64 +73,62 @@ func (tree SyntaxBaum) pretty(preindent string, tab string, prepend string, dept
 // METHODS: Recognitong of Formula-Types
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-func (tree SyntaxBaum) isAtom() bool {
+func (tree SyntaxBaum) IsIrreducible() bool {
+	return tree.Valence == 0
+}
+
+func (tree SyntaxBaum) IsAtom() bool {
 	return tree.Kind == "atom"
 }
 
-func (tree SyntaxBaum) isLiteral() bool {
-	if tree.isAtom() {
+func (tree SyntaxBaum) IsLiteral() bool {
+	if tree.IsAtom() {
 		return true
-	} else if tree.isNegation() {
+	} else if tree.IsNegation() {
 		subtree, err := tree.GetChild()
 		if err == nil {
-			return subtree.isAtom()
+			return subtree.IsAtom()
 		}
 	}
 	return false
 }
 
-func (tree SyntaxBaum) isBeliebig() bool {
+func (tree SyntaxBaum) IsGeneric() bool {
 	return tree.Kind == "generic"
 }
 
-func (tree SyntaxBaum) isTrueSymbol() bool {
+func (tree SyntaxBaum) IsTautologySymbol() bool {
 	return tree.Kind == "taut"
 }
 
-func (tree SyntaxBaum) isFalseSymbol() bool {
+func (tree SyntaxBaum) IsContradictionSymbol() bool {
 	return tree.Kind == "contradiction"
 }
 
-func (tree SyntaxBaum) isNegation() bool {
+func (tree SyntaxBaum) IsConnective() bool {
+	return tree.Valence > 0
+}
+
+func (tree SyntaxBaum) IsNegation() bool {
 	return tree.Kind == "not"
 }
 
-func (tree SyntaxBaum) isConjunction() bool {
+func (tree SyntaxBaum) IsConjunction2() bool {
 	return tree.Kind == "and2"
 }
 
-func (tree SyntaxBaum) isLongConjunction() bool {
-	switch tree.Kind {
-	case "and", "and2":
-		return true
-	default:
-		return false
-	}
+func (tree SyntaxBaum) IsConjunction() bool {
+	return tree.Kind == "and" || tree.Kind == "and2"
 }
 
-func (tree SyntaxBaum) isDisjunction() bool {
+func (tree SyntaxBaum) IsDisjunction2() bool {
 	return tree.Kind == "or2"
 }
 
-func (tree SyntaxBaum) isLongDisjunction() bool {
-	switch tree.Kind {
-	case "or", "or2":
-		return true
-	default:
-		return false
-	}
+func (tree SyntaxBaum) IsDisjunction() bool {
+	return tree.Kind == "or" || tree.Kind == "or2"
 }
 
-func (tree SyntaxBaum) isImplication() bool {
+func (tree SyntaxBaum) IsImplication() bool {
 	return tree.Kind == "implies"
 }