Sumários

Aula 5: 18-02-2021, 14h30m-16h

19 Fevereiro 2021, 13:00 • Maria João Antunes Dias Gouveia

Remarks motivated by some questions asked by the students.

Equivalence relation and partition on a set, quotient set, partial order relation on a set.

Resolution of some exercises.

Aula 4

17 Fevereiro 2021, 11:30 • Maria João Antunes Dias Gouveia

The generation of clones of operations on a set.

(for this and the previous class: pages 79-83, Universal Algebra, Clifford Bergman)

Aula 3: 15-02-2021, 15h30m-17h

15 Fevereiro 2021, 15:30 • Maria João Antunes Dias Gouveia

Clones of operations on a set.

The clone of term operations and the clone of polynomial operations on an algebra.

Examples and resolution of exercises that introduce or illustrate the notions presented here.

Aula 2: 11-02-2021, 14h30m-16h

12 Fevereiro 2021, 13:00 • Maria João Antunes Dias Gouveia

This class took place on 11-02-2021, 14h30-16h.

Homomorphisms and direct products.

Classes of algebras of the same type closed under the class operator H, S, P and I.

Examples and resolution of exercises that introduce or illustrate the notions presented here.

Aula 1

10 Fevereiro 2021, 11:30 • Maria João Antunes Dias Gouveia

Clarification about the evaluation method previously described in a document with some other useful information about the course, which was sent to the students by mail.
Operations on a set, algebra and type of algebra; subalgebra and resolution of exercises to introduce the notion of subuniverse and subalgebra generated by a subset of the universe of the algebra.

(pages 22-30, A Course in Universal Algebra, S. Burris, H. P. Sankappanavar)