If And Only If

Logica_Matematica

Proposition / If And Only If / Metalogic / Syntax (Logic) / Formalism (Deductive)

Libro Algebra Moderna-Lazo Sebastian

Proposition / If And Only If / Justification / Reasoning / Abstract Algebra

resumenlogica(11).pdf

If And Only If / Proposition / Semantics / Semiotics / Formalism (Deductive)

Logica

Proposition / Validity / If And Only If / Logical Consequence / Truth