if the photographer is bisectional the fact that the knife-handle is not Faustian and it is not electroencephalographic is true.
sent1: the knife-handle is both not bisectional and not non-electroencephalographic. sent2: the stew is electroencephalographic. sent3: the stew is a kind of a cobalamin if the photographer is bisectional. sent4: if the photographer is bisectional then the knife-handle is not Faustian. sent5: if the photographer is electroencephalographic then the clerestory is non-Faustian and not bisectional. sent6: the knife-handle is not Faustian and is electroencephalographic. sent7: the knife-handle is a kind of non-Faustian thing that is electroencephalographic if the photographer is bisectional. sent8: the knife-handle is not Faustian and it is not electroencephalographic if the clerestory is electroencephalographic. sent9: if the stew is a kind of a cobalamin the clerestory is electroencephalographic. sent10: if the stew is electroencephalographic then the knife-handle is not a kind of a cobalamin and it is not Faustian. sent11: the knife-handle is not Faustian and is electroencephalographic if the clerestory is electroencephalographic.
void -> assump1: Let's assume that the photographer is bisectional.; sent3 & assump1 -> int1: the fact that the stew is a cobalamin hold.; int1 & sent9 -> int2: the clerestory is electroencephalographic.; int2 & sent8 -> int3: the knife-handle is both not Faustian and not electroencephalographic.; [assump1] & int3 -> hypothesis;
$hypothesis$ = if the photographer is bisectional the fact that the knife-handle is not Faustian and it is not electroencephalographic is true. ; $context$ = sent1: the knife-handle is both not bisectional and not non-electroencephalographic. sent2: the stew is electroencephalographic. sent3: the stew is a kind of a cobalamin if the photographer is bisectional. sent4: if the photographer is bisectional then the knife-handle is not Faustian. sent5: if the photographer is electroencephalographic then the clerestory is non-Faustian and not bisectional. sent6: the knife-handle is not Faustian and is electroencephalographic. sent7: the knife-handle is a kind of non-Faustian thing that is electroencephalographic if the photographer is bisectional. sent8: the knife-handle is not Faustian and it is not electroencephalographic if the clerestory is electroencephalographic. sent9: if the stew is a kind of a cobalamin the clerestory is electroencephalographic. sent10: if the stew is electroencephalographic then the knife-handle is not a kind of a cobalamin and it is not Faustian. sent11: the knife-handle is not Faustian and is electroencephalographic if the clerestory is electroencephalographic. ; $proof$ = 
void -> assump1: Let's assume that the photographer is bisectional.; sent3 & assump1 -> int1: the fact that the stew is a cobalamin hold.; int1 & sent9 -> int2: the clerestory is electroencephalographic.; int2 & sent8 -> int3: the knife-handle is both not Faustian and not electroencephalographic.; [assump1] & int3 -> hypothesis; __PROVED__