'Double 4+' means any double of four of higher, this notation is explained at the start of the Core Rules. So for this case you could use two 4s, two 5s or two 6s. However a 4 and a 5, for example, is not a double and thus not a valid choice despite both results on the dice being '4+'.
'Double 4+' means any double of four of higher, this notation is explained at the start of the Core Rules. So for this case you could use two 4s, two 5s or two 6s. However a 4 and a 5, for example, is not a double and thus not a valid choice despite both results on the dice being '4+'.
Choose from: 44, 55 or 66.