the dissenting does not occur.
sent1: if the repressing does not occur the dissenting does not occur. sent2: the unprotectiveness is prevented by that the trolling and/or the ventilating planography occurs. sent3: if the non-unpreventableness and/or the protectiveness occurs the repressing does not occur. sent4: the ventilating planography occurs. sent5: the unprotectiveness happens and/or the ventilating planography does not occur if the unpreventableness does not occur.
sent4 -> int1: either the trolling or the ventilating planography or both happens.; sent2 & int1 -> int2: the unprotectiveness does not occur.; int2 -> int3: the non-unpreventableness or the protectiveness or both occurs.; sent3 & int3 -> int4: the repressing does not occur.; sent1 & int4 -> hypothesis;
the ventilating decomposition or the tender or both happens.
$hypothesis$ = the dissenting does not occur. ; $context$ = sent1: if the repressing does not occur the dissenting does not occur. sent2: the unprotectiveness is prevented by that the trolling and/or the ventilating planography occurs. sent3: if the non-unpreventableness and/or the protectiveness occurs the repressing does not occur. sent4: the ventilating planography occurs. sent5: the unprotectiveness happens and/or the ventilating planography does not occur if the unpreventableness does not occur. ; $proof$ = 
sent4 -> int1: either the trolling or the ventilating planography or both happens.; sent2 & int1 -> int2: the unprotectiveness does not occur.; int2 -> int3: the non-unpreventableness or the protectiveness or both occurs.; sent3 & int3 -> int4: the repressing does not occur.; sent1 & int4 -> hypothesis; __PROVED__