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Directory:Logic Museum/Oxford condemnations of 1277 (view source)
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== Logic ==
== Logic ==
Kilwardby’s list contained 10 [[logic|logical]] propositions whose teaching was prohibited, as follows
# That contraries can be simultaneously true in the same material. (''Quod contraria simul possunt ese vera in aliqua materia'')
# That the sylloigism which is materially defective is not a syllogism (''Quod syllogismus peccans in materia non est syllogismus'')
# ('Quod non est suppositio in propositione magis pro supposito quam pro significato, et ideo idem est dicere, cuiuslibet hominis asinus currit, et asinus cuiuslibet hominis currit'')
# That an animal is every man (''Quod animal est omnis homo'')
# That a sign does not distribute the subject in relation to the predicate(''Quod signum non distribuit subjectum in comparatione ad praedicatum'')
# That necessary truth depends on persistence of the subject (''Quod veritas cum necessitate tantum est cum constantia subiecti'')
# That there is no demonstration without existent realities(''Quod non est ponere demonstrationem sine rebus entibus'')
# That every proposition about the future is necessary(''Quod omnis propositio de futuro vera est necessaria'')
# That a term with the verb in the present is distributed fo all differences of time(''Quod terminus cum verbo de praesenti distribuitur pro omnibus differentiis temporum'')
# That the inference from the negative of the finite predicate to the affirmative of the infinite predicate follows without the persistence of the subject(''Quod ex negativa de praedicato finito sequitur affirmativa de praedicato infinito sine constantia subiecti'')