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.