logic
Popularity (by total correct streak): 59
Popularity (by number of users): 1
| concepts | ideas that represent class of things | |
| referent | mental file folders | |
| definition | statement that gives meaning to concept | |
| fallacies | spurious arguments; don't provide evidence | |
| 4 fallacies | relevance, subjective, credibility, logical structure | |
| categorial propositions | assertion about relations among classes; subject, predicate, copula, quantity | |
| quality | affirmative or negative | |
| quantity | all, some | |
| A: | universal affirmative; all s are p | |
| I: | particular affirmative; some s are p | |
| E: | universal negative; no s is p | |
| O: | particular negative; some s are not p | |
| contraries (A,E) | cant both be true; can both be false | |
| contradictories (A,O;E,I) | cannot both be true and cannot both be false | |
| subalternates (A,I;E,O) | differ only in quality | |
| subcontrary (I,O) | cannot both be false | |
| square of opposition | how categorical propositions relate to each other | (revised) |
| converse | switch subject and predicate terms | |
| obverse | changing quality of cat prop and replacing pred with complement | |
| contrapositive | replace subject with complement of pred and pred with complement of subj | (revised) |
| logical strength | in agrument the degree to whih truth of premises would make it likely conclusion is true | |
| species | sub cat of wider category |
Quisition is a browser-based flashcard system that repeats old cards and introduces new ones at optimal time intervals. You can create your own card packs or use those developed by others.
