What is mathematics, really?

Aims and Goals; Survey and Proposals; Criteria for a Philosophy of Mathematics; Myths/Mistakes/Misunderstandings; Intuition/ Proof/Certainty; Five Classical Puzzles; Mainstream Before the Crisis; Mainstreaam Philosophy at Its Peak; Mainstream Since the Crisis; Foundationism Dies/ Mainstream Lives; Humanists and Mavericks of Old; Modern Humanists and Mavericks; Contemporary Humanists and Mavericks; Mathematics Is a Form of Life; Mathematical Notes.