that either the tuber is azido or it is a kind of a nailer or both is wrong.
sent1: that the stylist is not carinal and/or does not tip substitution is false. sent2: if the Balkan is aphetic the tuber is azido. sent3: the Balkan is aphetic if that the stylist is not carinal and/or does not tip substitution does not hold. sent4: that something is azido or a nailer or both is not correct if it is not aphetic.
sent3 & sent1 -> int1: the Balkan is aphetic.; sent2 & int1 -> int2: the tuber is azido.; int2 -> hypothesis;
that the tuber is azido or is a nailer or both is not true.
sent4 -> int3: that either the tuber is azido or it is a nailer or both does not hold if it is not aphetic.;
$hypothesis$ = that either the tuber is azido or it is a kind of a nailer or both is wrong. ; $context$ = sent1: that the stylist is not carinal and/or does not tip substitution is false. sent2: if the Balkan is aphetic the tuber is azido. sent3: the Balkan is aphetic if that the stylist is not carinal and/or does not tip substitution does not hold. sent4: that something is azido or a nailer or both is not correct if it is not aphetic. ; $proof$ = 
sent3 & sent1 -> int1: the Balkan is aphetic.; sent2 & int1 -> int2: the tuber is azido.; int2 -> hypothesis; __DISPROVED__