Originally Posted by Curmudgeon
Such an argument is disingenuous, because it's changing the terms substantially. Adding "able" opens up things to all sorts of possibilities not included by design. That's the difference between "did you win" and "was it winnable", where a .001% chance of winning makes the latter true, but the former false.
"You must be at least 4' tall to go on this ride." "But my height is measurable in 4' increments!" Adding "able" removes qualifications, which is why that argument is bunk.
Makes sense. Also makes another argument on why Iron Heart Surge is poorly worded, if you could use it to end an effect that lasts for 11 rounds, but not one that has the listed duration of 1 minute. (Not that I can think of any example for such an effect.)