The universe either will simply exist as it is or end in a heat death. If...

    

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The universe either will simply exist as it is or end in a heat death. If there was no big bang then the universe simply existed. If and only if the universe is expanding then there was a big bang. If the universe is expanding and accelerated then it will end in a heat death. (a) Write the sentences using logical connectives. (1) (b) Write the contra-positive of the sentence using logical connectives. (1) (c) What can be inferred and not inferred from the statement. (1) (d) Draw the And-OR graph (2) The universe either will simply exist as it is or end in a heat death. If there was no big bang then the universe simply existed. If and only if the universe is expanding then there was a big bang. If the universe is expanding and accelerated then it will end in a heat death. (a) Write the sentences using logical connectives. (1) (b) Write the contra-positive of the sentence using logical connectives. (1) (c) What can be inferred and not inferred from the statement. (1) (d) Draw the And-OR graph (2)