Symbols and Literals

Table of Contents

Data Types and Predicates - testing for data types.

undefined_p, undefined_symbol_p - test for undefined types and symbols.

Literals - defined for integers, reals, strings, and symbols.

Predefined Symbols - a table.

Reserved Words - a table.

t - a logically true value.

nil - the logically false value.

gamma, phgamma - start Gamma and Gamma/Photon from the shell prompt.