If sparrows do not exist, then “every sparrow falling is observed by God” and “no sparrow falling is observed by God” are both true. (And of course, every white wall is a tiny bit of evidence for “sparrows do not exist”, although not very good evidence since there are so many other things in the universe that also need to be checked for sparrow-ness.)
If sparrows do not exist, then “every sparrow falling is observed by God” and “no sparrow falling is observed by God” are both true. (And of course, every white wall is a tiny bit of evidence for “sparrows do not exist”, although not very good evidence since there are so many other things in the universe that also need to be checked for sparrow-ness.)