The Principles of Logic, for High Schools and Colleges (1869), p. 96
by Schuyler, Aaron
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- Aristotelian family
- Sigma-4 Graph
- Boolean complexity
- 4–16
- Number of labels per vertex (at most)
- 1
- Errors in the diagram
- No
- Shape
- Octagon (regular)
- Colinearity range
- 0
- Coplanarity range
- 0
- Cospatiality range
- 0
- Representation of contradiction
- By central symmetry
Logic
Geometry
- Conceptual info
- No
- Mnemonic support (AEIO, purpurea ...)
- Yes
- Form
- none
- Label type
- symbolic
- Symbolic field
- logic
- Contains partial formulas or symbols
- Yes
- Logical system
- syllogistics
Vertex description
Edge description
- Diagram is colored
- No
- Diagram is embellished
- No