Principles of Intuitionism: Lectures presented at the Summer Conference on Intuitionism and Proof Theory (1968) at SUNY at Buffalo, NY (Lecture Notes in Mathematics, 95)
Unvollstñdigkeit und Unentscheidbarkeit Die metamathematischen Resultate von Gd̲el, Church, Kleene, Rosser und ihre erkenntnistheoretische Bedeutung
logic-symposia-hakone-1979-1980
Enumerability, Decidability, Computability
Forcing, Arithmetic, Division Rings (Lecture Notes in Mathematics, 454)
Aspects of Constructibility (Lecture Notes in Mathematics, 354)
Computations in Higher Types (Lecture Notes in Mathematics, 574)
Lectures on Non- Standard Analysis (Lecture Notes in Mathematics, 94)
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Numerische Mathematik