is mentioned by

Thm* u,v:Var. Dec(u = v)

[decidable__equal_Var]

In prior sections: core fun 1 well fnd int 1 bool 1 union rel 1 quot 1 sqequal 1 prog 1 int 2 list 1 lambda jlc bool 2 jlc discrete jlc core 3 jlc list 3 jlc

Try larger context: ClassicalProps(jlc)