Non-idempotent left symmetric left distributive groupoids Tomáš Kepka (1994) Commentationes Mathematicae Universitatis Carolinae Similarity: Subdirectly irreducible non-idempotent groupoids satisfying x · x y = y and x · y z = x y · x z are studied.
Non-idempotent left symmetric left distributive groupoids. Kepka, Tomáš (1994) Commentationes Mathematicae Universitatis Carolinae Similarity:
Homomorphic images of subdirectly irreducible groupoids David Stanovský (2001) Commentationes Mathematicae Universitatis Carolinae Similarity: A groupoid H is a homomorphic image of a subdirectly irreducible groupoid G (over its monolith) if and only if H has a smallest ideal.