that both the back-channelness and the Melanesianness occurs is not correct.
sent1: that the viceroyship does not occur is caused by that the subclavianness does not occur but the monoclinicness happens. sent2: that the tattoo does not occur but the cascading lighterage occurs prevents the acyclicness. sent3: if the deactivating propaedeutic occurs then the fact that the confederating mathematician occurs and/or the rubric does not occur is wrong. sent4: the siding does not occur if both the non-plumbicness and the registering happens. sent5: that the ring-around-the-rosy occurs results in the sidingness. sent6: if the massage happens then the deactivating propaedeutic occurs. sent7: the register happens. sent8: that both the rubriccing and the deactivating pointsman occurs does not hold if the nautch does not occur. sent9: the unobjectionableness occurs. sent10: the confederating sweat does not occur. sent11: the fact that the fact that the back-channelness occurs and the Melanesianness happens does not hold is true if the cascading fullness does not occur. sent12: the non-plumbicness and the registering happens. sent13: the back-channelness happens if the sidingness occurs. sent14: if either the siding occurs or the ring-around-the-rosy does not occur or both the textileness does not occur. sent15: that the ring-around-the-rosy does not occur prevents the cascading fullness. sent16: the back-channelness happens if the ring-around-the-rosy happens. sent17: that the plumbicness does not occur is true if that the confederating mathematician occurs or the rubriccing does not occur or both is false. sent18: if both the non-cubistness and the unacquisitiveness occurs the exodonticsness does not occur. sent19: the equivocating does not occur. sent20: that the cascading nasturtium occurs and the confederating mangle occurs does not hold if the nightcap does not occur. sent21: the declawing amazon does not occur.
void -> assump1: Let's assume that the ring-around-the-rosy happens.; sent5 & assump1 -> int1: the siding happens.; sent4 & sent12 -> int2: the siding does not occur.; int1 & int2 -> int3: this is contradiction.; [assump1] & int3 -> int4: the ring-around-the-rosy does not occur.; int4 & sent15 -> int5: the cascading fullness does not occur.; int5 & sent11 -> hypothesis;
the textileness does not occur.
$hypothesis$ = that both the back-channelness and the Melanesianness occurs is not correct. ; $context$ = sent1: that the viceroyship does not occur is caused by that the subclavianness does not occur but the monoclinicness happens. sent2: that the tattoo does not occur but the cascading lighterage occurs prevents the acyclicness. sent3: if the deactivating propaedeutic occurs then the fact that the confederating mathematician occurs and/or the rubric does not occur is wrong. sent4: the siding does not occur if both the non-plumbicness and the registering happens. sent5: that the ring-around-the-rosy occurs results in the sidingness. sent6: if the massage happens then the deactivating propaedeutic occurs. sent7: the register happens. sent8: that both the rubriccing and the deactivating pointsman occurs does not hold if the nautch does not occur. sent9: the unobjectionableness occurs. sent10: the confederating sweat does not occur. sent11: the fact that the fact that the back-channelness occurs and the Melanesianness happens does not hold is true if the cascading fullness does not occur. sent12: the non-plumbicness and the registering happens. sent13: the back-channelness happens if the sidingness occurs. sent14: if either the siding occurs or the ring-around-the-rosy does not occur or both the textileness does not occur. sent15: that the ring-around-the-rosy does not occur prevents the cascading fullness. sent16: the back-channelness happens if the ring-around-the-rosy happens. sent17: that the plumbicness does not occur is true if that the confederating mathematician occurs or the rubriccing does not occur or both is false. sent18: if both the non-cubistness and the unacquisitiveness occurs the exodonticsness does not occur. sent19: the equivocating does not occur. sent20: that the cascading nasturtium occurs and the confederating mangle occurs does not hold if the nightcap does not occur. sent21: the declawing amazon does not occur. ; $proof$ = 
void -> assump1: Let's assume that the ring-around-the-rosy happens.; sent5 & assump1 -> int1: the siding happens.; sent4 & sent12 -> int2: the siding does not occur.; int1 & int2 -> int3: this is contradiction.; [assump1] & int3 -> int4: the ring-around-the-rosy does not occur.; int4 & sent15 -> int5: the cascading fullness does not occur.; int5 & sent11 -> hypothesis; __PROVED__