At: term types monotone member
ds1,ds2:Collection(dec()), da1,da2:Collection(SimpleType), de:sig(), t:Term.
ds1 ds2
da1 da2 (a:SimpleType. a term_types(ds1;da1;de;t) a term_types(ds2;da2;de;t))
By:
Fold `col_le` 0
THEN
BackThru
Thm* ds1,ds2:Collection(dec()), da1,da2:Collection(SimpleType)
, de:sig(), t:Term.
ds1 ds2 da1 da2 term_types(ds1;da1;de;t) term_types(ds2;da2;de;t)
Generated subgoals:None
About: