jusqua / logical-calculator

Middle Project for University's Object Oriented Programing Course

logical-calculator

It is a logical calculator made in Java to evaluate logical expressions

Usage

• The operators and operands are comma (,) separated
• The binary operators operate on the last two operands
• The unary operators operate only on the last operand
• The operators are reserved, therefore they are not used as operands
• The false and true are reserved and operate like yours truth values

Operators	Description
~	Negates
^	AND
v	AND/OR
=>	Conditional
<=>	Biconditional

Operand	Description
false	Always False
true	Always True

Exemples

Input	Equivalent Expression	Output
p,q,^	p ^ q	undefined
false,~,p,v,true,^	(~false v p) ^ true	tautology
p1,q1,v,~,p1,q1,v,^	~(p1 v q1) ^ (p1 v q1)	contradiction
s,t,~,v,s,t,=>,<=>	(s v ~t) <=> (s => t)	undefined
a,~,b,v,a,b,=>,<=>	(~a v b) <=> (a => b)	tautology

Members

• Ádrian Gama
• Carlos Adriano