Lambda « LINQ « C# / C Sharp

1.	Lambda expression used to declare a delegate
2.	If your query's lambda expressions reference local variables, these variables are subject to outer variable semantics.
3.	Lambda expression used to declare an expression tree
4.	return a lambda function
5.	A local variable instantiated within a lambda expression is unique per invocation of the delegate instance.
6.	square is assigned the lambda expression x = > x * x:
7.	A lambda expression has the following BNF form: (parameters) => expression-or-statement-block
8.	A lambda expression can reference the local variables and parameters of the method in which it's defined.