|Belief, philosophy: attitude of considering a sentence to be true. Unlike religious faith belief is linked to the assessment of probabilities. See also belief, religious belief, propositional attitudes, intensions, probability, belief degrees.|
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|Stuhlmann-Laeisz I 99
corresponds to the belief that something is necessary - not to the belief that something is possible.
Logic of belief/epistemic logic/Stuhlmann-Laeisz: knowledge logic: unlike belief logic: Model: additional relation S (reflexive, transitive, symmetric) - U = is a Model, if
(i) U" = is a SGL-Modell.
(ii) S is a reflexive relation pon K and
(iii) for all j,k from K: if jRk then jSk - corresponds to S5.
Epistemic logic: every statement of GAL is also a statement of GAL + W.
Freges Logische Untersuchungen Darmstadt 1995