Logic Is An Old Subject, And Since

The Strategy Of Semantic Ascent Is That It Carries The Discussion Into A Domain Where Both Parties Are Better Agreed On The Objects (viz., Words) And On The Main Terms Connecting Them. Words, Or Their Inscriptions, Unlike Points, Miles, Classes And The Rest, Are Tangible Objects Of The Size So Popular In The Marketplace, Where Men Of Unlike Conceptual Schemes Communicate At Their Best. The Strategy Is One Of Ascending To A Common Part Of Two Fundamentally Disparate Conceptual Schemes, The Better To Discuss The Disparate Foundations. No Wonder It Helps In Philosophy.

We Do Not Learn First What To Talk About And Then What To Say About It.

If Pressed To Supplement Tweedledee's Ostensive Definition Of Logic With A Discursive Definition Of The Same Subject, I Would Say That Logic Is The Systematic Study Of The Logical Truths. Pressed Further, I Would Say That A Sentence Is Logically True If All Sentences With Its Grammatical Structure Are True. Pressed Further Still, I Would Say To Read This Book.

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.

Some May Find Comfort In Reflecting That The Distinction Between An Eliminative And An Explicative Physicalism Is Unreal.