Displaying similar documents to “A note on some identities equivalent to xy=wz”

Paramedial groupoids

Jung R. Cho, Jaroslav Ježek, Tomáš Kepka (1999)

Czechoslovak Mathematical Journal

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Small idempotent clones. I

Józef Dudek (1998)

Czechoslovak Mathematical Journal

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G. Grätzer and A. Kisielewicz devoted one section of their survey paper concerning p n -sequences and free spectra of algebras to the topic “Small idempotent clones” (see Section 6 of [18]). Many authors, e.g., [8], [14, 15], [22], [25] and [29, 30] were interested in p n -sequences of idempotent algebras with small rates of growth. In this paper we continue this topic and characterize all idempotent groupoids ( G , · ) with p 2 ( G , · ) ≤ 2 (see Section 7). Such groupoids appear in many papers see, e.g. [1], [4],...