Löwe, B. (2004). A parametrised choice principle and Martin's conjecture on Blackwell determinacy. (ILLC Publications; No. PP-2004-26). Institute for Logic, Language and Computation.
Löwe, B. (2004). Set Theory with and within urelements and categories of interpretation. (ILLC Publications; No. PP-2004-33). Institute for Logic, Language and Computation.
Löwe, B. (2004). A note on pure variations of axioms of Blackwell determinacy. (ILLC Publications; No. X-2004-01). Institute for Logic, Language and Computation.
Löwe, B. (2004). Infinite Games. Betabulletin, 3, 5.
Löwe, B. (2004). Logic and the Communication with Machines. Betabulletin, 3, 4.
Löwe, B., & Müller, T. (2004). Degrees of Belief and Knowledge in Mathematics. (ILLC Publications; No. X-2004-03). Institute for Logic, Language and Computation.
Löwe, B., van Rooij, R. A. M., Zeevat, H. W., & Schröder, B. (2004). ILLC-Day 2 in Bonn "Language". (ILLC Publications; No. X-2004-04). Institute for Logic, Language and Computation.
Löwe, B. (2004). Review of Matet, Pean, Todorcevic, "Prime ideals on P-kappa-lambda with the partition property" [Review of: P.Matet, C.Pean, S.Todorcevic. Prime ideals on P-kappa-lambda with the partition property]. Zentralblatt MATH, 1030, 03038.
Löwe, B. (2004). Review of Gabrielyan, "On projective mappings" [Review of: S.S.Gabrielyan. "On projective mappings"]. Zentralblatt MATH, 1035, 54001.
Löwe, B. (2004). Review of Volij, "In defense of DEFECT" [Review of: O. Volij. "In defense of DEFECT"]. Zentralblatt MATH, 1035, 91015.