Cleanup; simple truthtable; license; readme

1 files changed, 25 insertions, 0 deletions

diff --git a/Logic.dcl b/Logic.dcl
index bf76859..b6f3705 100644
--- a/Logic.dcl
+++ b/Logic.dcl
@@ -1,3 +1,26 @@
+/**
+ * The MIT License (MIT)
+ * 
+ * Copyright (c) 2015 Camil Staps
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
 definition module Logic
 
 import StdEnv
@@ -60,5 +83,7 @@ eval :: Expr -> [Bool]                      // Evaluate to a simpler form
 
 subexprs :: Expr -> [Expr]                  // Subexpressions of an expression
 sorted_subexprs :: (Expr -> [Expr])         // Similar, but roughly sorted by complexity
+
+simple_truthtable :: Expr -> TruthTable     // Simple truthtable: only the atomic expression and the expression itself
 truthtable :: Expr -> TruthTable            // Truthtable from an expression