the wall does not hiss.
sent1: if that the alembic is not a zircon and it does not accredit alembic does not hold then the wall does not accredit alembic. sent2: the fact that the alembic is not a zircon and does not accredit alembic is false. sent3: something is not a hiss if it does not ablate and/or it is Neanderthal. sent4: if the fact that the wall does not ablate and/or it is Neanderthal is not correct then it does accredit alembic. sent5: something does accredit alembic or is not harmonic or both if the fact that it is a zircon hold.
void -> assump1: Let's assume that that either the wall does not ablate or it is Neanderthal or both does not hold.; sent4 & assump1 -> int1: the wall does accredit alembic.; sent1 & sent2 -> int2: the wall does not accredit alembic.; int1 & int2 -> int3: this is contradiction.; [assump1] & int3 -> int4: that the wall does not ablate and/or it is Neanderthal hold.; sent3 -> int5: if either the wall does not ablate or it is Neanderthal or both then it is not a hiss.; int4 & int5 -> hypothesis;
the wall is a kind of a hiss.
sent5 -> int6: the wall accredits alembic and/or is not a kind of a harmonic if it is a zircon.;
$hypothesis$ = the wall does not hiss. ; $context$ = sent1: if that the alembic is not a zircon and it does not accredit alembic does not hold then the wall does not accredit alembic. sent2: the fact that the alembic is not a zircon and does not accredit alembic is false. sent3: something is not a hiss if it does not ablate and/or it is Neanderthal. sent4: if the fact that the wall does not ablate and/or it is Neanderthal is not correct then it does accredit alembic. sent5: something does accredit alembic or is not harmonic or both if the fact that it is a zircon hold. ; $proof$ = 
void -> assump1: Let's assume that that either the wall does not ablate or it is Neanderthal or both does not hold.; sent4 & assump1 -> int1: the wall does accredit alembic.; sent1 & sent2 -> int2: the wall does not accredit alembic.; int1 & int2 -> int3: this is contradiction.; [assump1] & int3 -> int4: that the wall does not ablate and/or it is Neanderthal hold.; sent3 -> int5: if either the wall does not ablate or it is Neanderthal or both then it is not a hiss.; int4 & int5 -> hypothesis; __PROVED__