Keywords: logic, logical
Sign Definition
As a Noun
                                            1.  A method of reasoning that involves a series of statements, each of which must be true if the statement before it is true. English = logic.
                                          
                                          
                                        As a Verb or Adjective
                                            1.  Of conclusions, results or outcomes, to be the only one that can reasonably result from a particular set of facts or from a particular event. English = (be) logical.
                                          
                                          
                                        
                                            2.  To be true according to the rules of logic. English = (be) logical.