there is something such that if it does not destain invulnerability then that it is androgenic is right.
sent1: something is androgenic if that it is not argentic is not incorrect. sent2: something is androgenic if it does not destain invulnerability. sent3: something is androgenic if it does destain invulnerability. sent4: there exists something such that if it destains invulnerability then it is androgenic. sent5: if the cornea destains invulnerability it is androgenic.
sent2 -> int1: if the cornea does not destain invulnerability then it is androgenic.; int1 -> hypothesis;
if the megalopolis is not argentic it is androgenic.
sent1 -> hypothesis;
$hypothesis$ = there is something such that if it does not destain invulnerability then that it is androgenic is right. ; $context$ = sent1: something is androgenic if that it is not argentic is not incorrect. sent2: something is androgenic if it does not destain invulnerability. sent3: something is androgenic if it does destain invulnerability. sent4: there exists something such that if it destains invulnerability then it is androgenic. sent5: if the cornea destains invulnerability it is androgenic. ; $proof$ = 
sent2 -> int1: if the cornea does not destain invulnerability then it is androgenic.; int1 -> hypothesis; __PROVED__