Logic Is An Old Subject,

The Three Main Medieval Points Of View Regarding Universals Are Designated By Historians As Realism, Conceptualism, And Nominalism. Essentially These Same Three Doctrines Reappear In Twentieth-century Surveys Of The Philosophy Of Mathematics Under The New Names Logicism, Intuitionism, And Formalism.

Necessity Resides In The Way We Talk About Things, Not In The Things We Talk About.

Logic Is An Old Subject, And Since 1879 It Has Been A Great One.

The Mastery Of One's Phonemes May Be Compared To The Violinist's Mastery Of Fingering. The Violin String Lends Itself To A Continuous Gradation Of Tones, But The Musician Learns The Discrete Intervals At Which To Stop The String In Order To Play The Conventional Notes. We Sound Our Phonemes Like Poor Violinists, Approximating Each Time To A Fancied Norm, And We Receive Our Neighbor's Renderings Indulgently, Mentally Rectifying The More Glaring Inaccuracies.

... Two Men Could Be Just Alike In All Their Dispositions To Verbal Behavior Under All Possible Sensory Stimulations, And Yet Themeanings Or Ideas Expressed In Their Identically Triggered And Identically Sounding Utterances Could Diverge Radically, For The Two Men, In A Wide Range Of Cases.