Combining Texts
Ideas for
'Fact, Fiction and Forecast (4th ed)', 'Russell' and 'Penguin Dictionary of Philosophy'
expand these ideas
|
start again
|
choose
another area for these texts
display all the ideas for this combination of texts
7 ideas
5. Theory of Logic / B. Logical Consequence / 6. Entailment
|
6877
|
Entailment is logical requirement; it may be not(p and not-q), but that has problems [Mautner]
|
5. Theory of Logic / B. Logical Consequence / 7. Strict Implication
|
6880
|
Strict implication says false propositions imply everything, and everything implies true propositions [Mautner]
|
5. Theory of Logic / B. Logical Consequence / 8. Material Implication
|
6879
|
'Material implication' is defined as 'not(p and not-q)', but seems to imply a connection between p and q [Mautner]
|
|
6878
|
A person who 'infers' draws the conclusion, but a person who 'implies' leaves it to the audience [Mautner]
|
5. Theory of Logic / C. Ontology of Logic / 4. Logic by Convention
|
12394
|
If the result is bad, we change the rule; if we like the rule, we reject the result [Goodman]
|
5. Theory of Logic / D. Assumptions for Logic / 1. Bivalence
|
6889
|
Vagueness seems to be inconsistent with the view that every proposition is true or false [Mautner]
|
5. Theory of Logic / G. Quantification / 1. Quantification
|
6890
|
Quantifiers turn an open sentence into one to which a truth-value can be assigned [Mautner]
|