Combining Texts
Ideas for
'Unconscious Cerebral Initiative', 'First-Order Logic' and 'An Introduction to Modal Logic'
expand these ideas
|
start again
|
choose
another area for these texts
display all the ideas for this combination of texts
2 ideas
5. Theory of Logic / K. Features of Logics / 4. Completeness
9544
|
A system is 'weakly' complete if all wffs are derivable, and 'strongly' if theses are maximised [Hughes/Cresswell]
|
5. Theory of Logic / K. Features of Logics / 6. Compactness
10287
|
If a first-order theory entails a sentence, there is a finite subset of the theory which entails it [Hodges,W]
|