If the Z1 exhaust is superior to the Labree (Specialty Z), then it benefits Z1 to test a new Labree and then sell it used. If it benefits Z1 to test a new Labree and then sell it used, then they will test a new Labree exhaust and then sell it used. Therefore: If the Z1 exhaust is superior to the LaBree, then Z1 will test a new Labree exhaust and then sell it used. Consequently, the inverse is true when using "if, then" logic. Therefore: If Z1 will NOT test a new Labree exhaust and then sell it used, then the Z1 exhaust is NOT superior to the Labree. (Now, class, read chapters 5 and 6 for your logic homework tonight)
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