That statement is a tautology.
Some propositions are true for any truth value of their variables. Such propositions are called tautology.
At present there are some multiple-misunderstandings on the concepts of maritime literature, like tautology, unintelligibility, unclear definition.
Firstly, on the basis of implication, originating from the limited Disturbing Fuzzy Propositional logic, discusses its logic algebra and the properties of its generalized tautology.
[《沒有約束的現代*》，p42]這種論調背後的套套邏輯（tautology）是這樣的：據說靈知主義者有體系；黑格爾有一個體系，所以黑格爾是靈知主義者，不止如此，所有的體系構建這都是靈知主義者。
