:: deftheorem Def12 defines ObCat ALTCAT_2:def 12 :
for C being non empty AltCatStr
for o being Object of C
for b3 being strict SubCatStr of C holds
( b3 = ObCat o iff ( the carrier of b3 = {o} & the Arrows of b3 = (o,o) :-> <^o,o^> & the Comp of b3 = [o,o,o] .--> ( the Comp of C . (o,o,o)) ) );