the fact that the audile is not crustose is right.
sent1: that the ray is a subscriber hold if the fact that the audile is not a Catalan but it is low-level is not right. sent2: the ray is both not a Catalan and a dolichocephalic. sent3: the audile is not a Catalan. sent4: the ray is not low-level but it is dolichocephalic. sent5: the ray is not a subscriber but it is a kind of a dolichocephalic. sent6: the audile is not a Catalan but it is dolichocephalic. sent7: if something is low-level it is crustose.
void -> assump1: Let's assume that the fact that the audile is not a kind of a Catalan but it is low-level is incorrect.; sent1 & assump1 -> int1: that the ray is a subscriber is right.; sent5 -> int2: the ray is not a kind of a subscriber.; int1 & int2 -> int3: this is contradiction.; [assump1] & int3 -> int4: the audile is not Catalan and is low-level.; int4 -> int5: that the audile is not non-low-level is not false.; sent7 -> int6: if the audile is low-level it is crustose.; int5 & int6 -> hypothesis;
$hypothesis$ = the fact that the audile is not crustose is right. ; $context$ = sent1: that the ray is a subscriber hold if the fact that the audile is not a Catalan but it is low-level is not right. sent2: the ray is both not a Catalan and a dolichocephalic. sent3: the audile is not a Catalan. sent4: the ray is not low-level but it is dolichocephalic. sent5: the ray is not a subscriber but it is a kind of a dolichocephalic. sent6: the audile is not a Catalan but it is dolichocephalic. sent7: if something is low-level it is crustose. ; $proof$ = 
void -> assump1: Let's assume that the fact that the audile is not a kind of a Catalan but it is low-level is incorrect.; sent1 & assump1 -> int1: that the ray is a subscriber is right.; sent5 -> int2: the ray is not a kind of a subscriber.; int1 & int2 -> int3: this is contradiction.; [assump1] & int3 -> int4: the audile is not Catalan and is low-level.; int4 -> int5: that the audile is not non-low-level is not false.; sent7 -> int6: if the audile is low-level it is crustose.; int5 & int6 -> hypothesis; __DISPROVED__