the fact that if the beetling does not occur then the coaching Tudor does not occur and the corkscrewing Leptoptilus occurs is false.
sent1: the fact that the neglect does not occur is not right. sent2: the fact that the dressage does not occur is correct. sent3: not the persevering but the corkscrewing Leptoptilus happens. sent4: the neglect is prevented by that the coaching Tudor occurs but the beetle does not occur. sent5: the persevering does not occur.
void -> assump2: Let's assume that the coaching Tudor occurs.; void -> assump1: Let's assume that the beetling does not occur.; assump2 & assump1 -> int1: the coaching Tudor but not the beetle happens.; int1 & sent4 -> int2: the neglecting does not occur.; int2 & sent1 -> int3: this is contradiction.; [assump2] & int3 -> int4: the coaching Tudor does not occur.; sent3 -> int5: the corkscrewing Leptoptilus happens.; int4 & int5 -> int6: not the coaching Tudor but the corkscrewing Leptoptilus occurs.; [assump1] & int6 -> hypothesis;
$hypothesis$ = the fact that if the beetling does not occur then the coaching Tudor does not occur and the corkscrewing Leptoptilus occurs is false. ; $context$ = sent1: the fact that the neglect does not occur is not right. sent2: the fact that the dressage does not occur is correct. sent3: not the persevering but the corkscrewing Leptoptilus happens. sent4: the neglect is prevented by that the coaching Tudor occurs but the beetle does not occur. sent5: the persevering does not occur. ; $proof$ = 
void -> assump2: Let's assume that the coaching Tudor occurs.; void -> assump1: Let's assume that the beetling does not occur.; assump2 & assump1 -> int1: the coaching Tudor but not the beetle happens.; int1 & sent4 -> int2: the neglecting does not occur.; int2 & sent1 -> int3: this is contradiction.; [assump2] & int3 -> int4: the coaching Tudor does not occur.; sent3 -> int5: the corkscrewing Leptoptilus happens.; int4 & int5 -> int6: not the coaching Tudor but the corkscrewing Leptoptilus occurs.; [assump1] & int6 -> hypothesis; __DISPROVED__