Chapter Questions
Designations and Recognition Rules. For the fixed topic, selected by you, list some five phenomena that can be designated. State suitable recognition rules.
Explicit Definitions. For the fixed topic, selected by you, select some two or three designations that you instead decide to define explicitly in terms of other designations. Then provide these explicit definitions.
Refutable Assertions. For the fixed topic, selected by you, try come up with at least one nontrivial possibly refutable assertion. (This may sound difficult, but be open-minded and allow extreme scepticism.)