Combining Texts
Ideas for
'', 'On the Syllogism IV' and 'General Draft'
expand these ideas
|
start again
|
choose
another area for these texts
display all the ideas for this combination of texts
5 ideas
5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic
11211
|
If a sound conclusion comes from two errors that cancel out, the path of the argument must matter [Rumfitt]
|
5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives
11210
|
Standardly 'and' and 'but' are held to have the same sense by having the same truth table [Rumfitt]
|
11212
|
The sense of a connective comes from primitively obvious rules of inference [Rumfitt]
|
5. Theory of Logic / E. Structures of Logic / 6. Relations in Logic
13501
|
De Morgan found inferences involving relations, which eluded Aristotle's syllogistic [De Morgan, by Hart,WD]
|
17744
|
De Morgan started the study of relations and their properties [De Morgan, by Walicki]
|