Your "easily shown" is only easily shown if you're sloppy. If you're careful, it can't be shown at all. As I already pointed out, if classical mathematics is

Your "easily shown" is only easily shown if you're sloppy. If you're careful, it can't be shown at all. As I already pointed out, if classical mathematics is consistent, then constructivism must be as well. Therefore if you think that you've found a logical flaw in constructivism, the mistake must be in your own thinking.