the chromaticness does not occur.
sent1: the chromaticness does not occur if the fact that the blastoff happens and/or the regurgitation happens does not hold. sent2: the precordialness does not occur. sent3: if the fact that the precordialness does not occur is not incorrect then the fact that the blastoff or the regurgitation or both happens is false.
sent3 & sent2 -> int1: the fact that the fact that the blastoff and/or the regurgitation occurs does not hold is not false.; sent1 & int1 -> hypothesis;
$hypothesis$ = the chromaticness does not occur. ; $context$ = sent1: the chromaticness does not occur if the fact that the blastoff happens and/or the regurgitation happens does not hold. sent2: the precordialness does not occur. sent3: if the fact that the precordialness does not occur is not incorrect then the fact that the blastoff or the regurgitation or both happens is false. ; $proof$ = 
sent3 & sent2 -> int1: the fact that the fact that the blastoff and/or the regurgitation occurs does not hold is not false.; sent1 & int1 -> hypothesis; __PROVED__