bool is_equal_same_type(const basic & other) const;
unsigned return_type(void) const;
unsigned return_type_tinfo(void) const;
ex thisexpairseq(const epvector & v, const ex & oc) const;
ex thisexpairseq(epvector * vp, const ex & oc) const;
expair split_ex_to_pair(const ex & e) const;
bool is_equal_same_type(const basic & other) const;
unsigned return_type(void) const;
unsigned return_type_tinfo(void) const;
ex thisexpairseq(const epvector & v, const ex & oc) const;
ex thisexpairseq(epvector * vp, const ex & oc) const;
expair split_ex_to_pair(const ex & e) const;