Changes

A definition of a name (''definitio nominis'') sets a clear value for a [[Word|word]] or [[Phrase|phrase]] so that the parties involved will definitely know what that word/phrase means when they talk about the word/phrase.  It is a common establishment not only in [[language]], but also in [[logic]] and [[mathematics]].  For example, ''I call soul that which is the principle of thought within us''.

A definition of a name (''definitio nominis'') sets a clear value for a [[Word|word]] or [[Phrase|phrase]] so that the parties involved will definitely know what that word/phrase means when they talk about the word/phrase.  It is a common establishment not only in [[language]], but also in [[logic]] and [[mathematics]].  For example, ''I call soul that which is the principle of thought within us''.

A definition of a thing (''definitio rei'') is the maintenance that other ideas are contained in a certain term, assuming common usage, referring to a thing.  For example, ''Man is a rational animal''.<ref name=p78>Arnauld, Antoine (1662).  ''Logic or the Art of Thinking: Being The Port Royal Logic''.  Ed. and trans. T. S. Baynes.  London: W. Blackwood, 1850 (''La logique ou l'art de penser; contenant outre les règles communes, plusieurs observations nouvelles, propres à former le jugement'', Paris), pp. 78-9.</ref>

A definition of a thing (''definitio rei'') is the maintenance that other ideas are contained in a certain term (assuming common usage) referring to a thing.  For example, ''Man is a rational animal''.<ref name=p78>Arnauld, Antoine (1662).  ''Logic or the Art of Thinking: Being The Port Royal Logic''.  Ed. and trans. T. S. Baynes.  London: W. Blackwood, 1850 (''La logique ou l'art de penser; contenant outre les règles communes, plusieurs observations nouvelles, propres à former le jugement'', Paris), pp. 78-9.</ref>

A dictionary definition is an explanation of that which a word signifies, according to the word's common usage or its [[etymology]].<ref name=p78/>  

A dictionary definition is an explanation of that which a word signifies, according to the word's common usage or its [[etymology]].<ref name=p78/>