Reiteration (R)
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"&" Rules
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Conjunction Introduction (&I)
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Conjunction Elimination (&E)
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or |
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"É" Rules
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Conditional Introduction (ÉI)
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Conditional Elimination (ÉE)
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"~" Rules
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Negation Introduction (I)
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Negation Elimination (E)
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"Ú" Rules
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Disjunction Introduction (ÚI)
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or |
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Disjunction Elimination (ÚE)
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"º" Rules
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Biconditional Introduction (ºI)
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Biconditional Elimination (ºE)
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or |
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Note: These provide a very general statement of the rules of our system,
for a bit more guidance in how to cite them in actual derivations, check
out "Using the Rules of SD"