Universalism refers to any concept or doctrine that generally applies to all persons, humans and all things for all times, circumstances and in all situations.
In philosophy, universalism is a doctrine to the effect that universal facts can be discovered. When applied in religions, universalism is the quality ascribed to an entity whose existence is consistent throughout the universe. In used in ethics, it refers to that which is true for all similarly situated individuals. When used in logic, a proposition is said to have universalism if it can be conceived as being true in all possible contexts without creating disagreement.