有効

The act of investigating or exploring a matter deeply to uncover the truth or essence of something. Often used in scientific or philosophical contexts.

To rely on something as a basis or authority for one's argument or actions. Used when a theory or law is based on a specific foundation.

The primary focus, main aim, or most important point of consideration in a plan, theory, or argument.

To be in complete agreement, to match perfectly, or to coincide with something (such as facts, interests, or standards).

A logical connection or sequence of thoughts; the coherence or context within a story or argument.

Left to one's choice or discretion; optional rather than mandatory.

A distinctive feature, characteristic, or quality that makes something stand out from others. It emphasizes uniqueness.

The difference or deviation of a value from a central point or standard. In statistics, it refers to the distance of a data point from the mean.

To refute or disprove an opponent's argument or theory by providing counter-evidence or pointing out logical flaws.

The main idea, core purpose, or gist of a statement, text, or action. Identifying the 'shushi' is key to reading and listening comprehension.