Boolean fuzzy sets

L-fuzzy sets

Joseph A. Goguen · Journal of Mathematical Analysis and Applications · 1967 · 2.4K citations

Internal set theory: A new approach to nonstandard analysis

Edward Nelson · Bulletin of the American Mathematical Society · 1977 · 633 citations · Full text

Natural Sciences, Mathematics, Formal Methods +8

Science and Hypothesis.

Theodore de Laguna, H. Poincare, G. B. Halsted et al. · The Philosophical Review · 1906 · 572 citations

APPLICATIONS OF MODEL THEORY TO ALGEBRA, ANALYSIS AND PROBABILITY

A. Erdélyi · Bulletin of the London Mathematical Society · 1970 · 191 citations

Natural Sciences, Mathematics, Algebra +11

The theory of Boolean ultrapowers

Richard Mansfield · Annals of Mathematical Logic · 1971 · 74 citations

Engineering, Computer Engineering, Computer Science +11