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Mathematics, 06.11.2019 05:31 sammarcot

Use the guidelines to construct a two column proof proving dc || ab, given ab=cd and ad = cb.
prove dc || ab
. i need to turn this in to pass

Use the guidelines to construct a two column proof proving dc || ab, given ab=cd and ad = cb.

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Use the guidelines to construct a two column proof proving dc || ab, given ab=cd and ad = cb.
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