6.2.2298
TRUE
 
CORE EXT
 
( -- true )

Return a true flag, a single-cell value with all bits set.

See:
3.1.3.1 Flags, A.6.2.2298 TRUE.

Rationale:
TRUE is equivalent to the phrase 0 0=.
Testing:
T{ TRUE -> <TRUE> }T
T{ TRUE -> 0 INVERT }T