(%i1) inpart:true;
(e1) true
(%i2) op(-a*b);
(e2) -
(%i3) inpart:false;
(e3) false
(%i4) op(-a*b);
(e4) -
(%i5) op((-a)*b);
(e5) -
(%i6) simp:false;
(e6) false
(%i7) op((-a)*b);
(e7) *
(%i8) inpart((-a)*b,1);
(e8) - a
(%i9) inpart:true;
(e9) true
(%i10) inpart((-a)*b,1);
(e10) - a
(%i11) inpart(-a*b,1);
(e11) - a
(%i12) op(-a*b,1);
Maxima encountered a Lisp error:
Error in MACSYMA-TOP-LEVEL [or a callee]: MACSYMA-TOP-LEVEL [or a calle
Automatically continuing.
To reenable the Lisp debugger set *debugger-hook* to nil.
(%i13) op(-a*b);
(e13) *
(%i14) op(-a*b);
(e14) *
Why is e13 different than e2, they should be the same, I think it has something due to the error.
Rich