## First Notions of Logic: (preparatory to the Study of Geometry) |

### What people are saying - Write a review

We haven't found any reviews in the usual places.

### Other editions - View all

First Notions of Logic: Preparatory to the Study of Geometry (1840) Augustus De Morgan No preview available - 2009 |

### Common terms and phrases

A A Every X able to assert aﬁirmative conclusion aﬂirms and contains agreement or disagreement AisB asser bability circle colour conclusion be drawn Contradictory propositions contrary converse denial differ diﬂerence entirely contained equiangular triangle Euclid false ﬁgure is entirely ﬁnd ﬁrst sight gism happening hypothesis implies aﬂirmation instance intrinsic probability Leicester Square magnitude less manner mean to imply middle term namely_ necessary consequence negative proposition obvious ordinary syllogism particular aﬁirmative particular negative preceding assertion preceding forms preceding list predicate enter wholly predicate enters partially premises be true prone to favourites proved rational reduced Rule shew species spoken of universally stay till Monday subject and predicate subject enters wholly supposition term must enter thing third to-morrow total or partial VVhen weak princes weakened white ball whole X Every X X is A A XB BX