E. W. Cheney: Introduction to Approximation Theory, 2. Edition, 2000. American Mathematical Society.
1.1,
1.2, Not Proof Bolzano Weierstrass
1.3, 1.5, Not Theorem of Helly
1.6, Not material on Uniform Convexity
3.3, To "It was remarked..." p 69
3.4, Not Theorem and Corollary p. 76
3.5, Not Strong Unicity Theorem p. 80, Not Proof of Haar's Unicity Theorem p. 81, Not Theorem P. 82
4.6, Not Jackson IV, Not Proof of Dini- Lipschitz Theorem
6.1 Formulation (not proof) of Theorem and proof of Corollaries 1 and 2.
6.6 Not Lemma 2 and Markoff's Theorem
p86, Definition of modulus of continuity. Problems 7,8. p89, Problem 3,4 p.149