****It’s in the Westminster Confession of Faith, it’s Calvin’s doctrine. Whether those who don’t support it are still Calvinists is not my area. ****
On the Westminster confession
By predestination they meant a positive decree determining to confer everlasting life ; and this they regarded as the basis of the whole doctrine of free grace, arising from nothing in man, but having for its divine origin the character and sovereignty of God. By foreordination, on the other hand, they meant a decree of order, or arrangement, determining that the guilty should be condemned to everlasting death ; and this they regarded as the basis of judicial procedure, according to which God “ordains men to dishonor and wrath for their sin,” and having respect to man’s own character and conduct. Let it be further remarked, that while, according to this view, the term predestination could never with propriety be applied to the lost, the term foreordination might be applied to the saved, since they also are the subjects, in one sense, of judicial procedure. Accordingly there is no instance in the Confession of Faith where the term predestination is applied to the lost,
http://www.reformed.org/index.html
SO YOUR INFO IS WRONG
The Westminster Confession of Faith (1643)
By the decree of God, for the manifestation of his glory, some men and angels are predestinated unto everlasting life, and others foreordained to everlasting death.
Double Predestination is called “Calvinistic Predestination.” Whether various followers support part or all of TULIP or Double Predestination and still can be called Calvinists is their own call.
I feel accurate in calling Double Predestination, Calvinism, that’s what he believed and taught.
If other’s reject any part of Calvin’s teaching, that is to their credit and I commend them.
BTW: If you are in this group, consider yourself Calvinist but do not believe in double predestination, I’d appreciate you explaining why.