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reference:frule [2011/06/22 12:35] 131.246.161.187 [Variants] |
reference:frule [2011/06/22 12:36] 131.246.161.187 [Example] |
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Applying ''apply (drule mp)'' yields new goals | Applying ''apply (drule mp)'' yields new goals | ||
- | $\quad A \Longrightarrow A$ | + | $\quad [|\ A \longrightarrow B; A\ |] \Longrightarrow A$ |
- | $\quad[|\ A; B\ |] \Longrightarrow B$ | + | $\quad[|\ A \longrightarrow B; A; B\ |] \Longrightarrow B$ |
- | which can both be solved by ''[[assumption]]''. Note that ''apply (drule(2) mp)'' is a shortcut for this and immediately solves the goal. | + | which can both be solved by ''[[assumption]]''. Note that ''apply (frule(2) mp)'' is a shortcut for this and immediately solves the goal. |
==== Non-Example ==== | ==== Non-Example ==== |