Even if the probability of repenting on any single occasion is as low as .5, over an indefinitely long period of time, the sinner would still have an indefinitely large number of opportunities to repent.

But in addition to defending the bare logical possibility of such a universal reconciliation on libertarian grounds, Eric Reitan has set forth an intriguing argument, which he calls “the Argument from Infinite Opportunity,” for the conclusion that God can effectively guarantee the salvation of all sinners without ever interfering with anyone’s libertarian freedom (see Kronen and Reitan 2011, Ch. 8). The basic idea here is that a sinner could have, if necessary, infinitely many opportunities over an unending stretch of time to repent and to submit to God freely. So consider this. Although it is...