Combining Texts
Ideas for
'Mahaprajnaparamitashastra', 'Epistemic Norms' and 'Logical Pluralism'
expand these ideas
|
start again
|
choose
another area for these texts
display all the ideas for this combination of texts
8 ideas
4. Formal Logic / E. Nonclassical Logics / 2. Intuitionist Logic
13249
|
(∀x)(A v B) |- (∀x)A v (∃x)B) is valid in classical logic but invalid intuitionistically [Beall/Restall]
|
4. Formal Logic / E. Nonclassical Logics / 5. Relevant Logic
13242
|
It's 'relevantly' valid if all those situations make it true [Beall/Restall]
|
13243
|
Excluded middle must be true for some situation, not for all situations [Beall/Restall]
|
13245
|
Relevant consequence says invalidity is the conclusion not being 'in' the premises [Beall/Restall]
|
13246
|
Relevant logic does not abandon classical logic [Beall/Restall]
|
13254
|
A doesn't imply A - that would be circular [Beall/Restall]
|
13255
|
Relevant logic may reject transitivity [Beall/Restall]
|
4. Formal Logic / E. Nonclassical Logics / 6. Free Logic
13250
|
Free logic terms aren't existential; classical is non-empty, with referring names [Beall/Restall]
|