@book{35602,
	author = {Arnaz, Jose Antonio},
	title = {Iniciacion a la logica simbolica  /},
	publisher = {Trillas, },
	year = {1982},
	series = {Temas basicos. Area metodologia de la ciencia; },
	address = {Mexico  },
	edition = {2a ed},
	note = {Incluye índice}
}