PhilosophyIdeas
.com Database

Current Total Ideas:
19,161

home

back
structure for 'Formal Logic'

alphabetical list of themes

expand these ideas
4. Formal Logic / B. Propositional Logic PL / 5. Completeness of PL
[there is a proof for every valid formula]
1 idea
9539
Propositional logic is complete, since all of its tautologous sequents are derivable
[Lemmon]