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The theory of signs and signification, including symbols (conventional signs such as language), indexes (natural signs with a causal correspondence to their referent), and icons(signs whose form resembles their referent).…

Said of a statement that conflicts with it self and is, therefore, always false. https://youtube.com/shorts/1lqh2d2222g?feature=share

1) A formal mathematical theory that defines truth in terms of set theory and satisfaction,with truth taken to be a property of sentences; commonly associated with the work of AlfredTarski…

The claim that the meaning of a symbol (for instance, individual terms of a scientific theory)is relative to the entire system (such as the scientific theory as a whole). As…

That which is obvious and not subject to doubt. https://youtube.com/shorts/mBt_9jXRDnU?feature=share

The range of a quantifier over a domain of discourse; in symbolic logic notation, the quantifier’s scope is expressed by parentheses. https://youtube.com/shorts/3Jhrc7Toawk?feature=share

A feature or “power” of an object to produce sensations—for instance, sweet, cold, and so on;most commonly associated with John Locke (1632-1704). https://youtube.com/shorts/Mn1uGDXG1Lg?feature=share

In Buddhism, one’s cycle of repeated deaths and rebirths. https://youtube.com/shorts/1AMR3dKFUlA?feature=share