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reference:attribute_examples [2011/07/07 12:09] 131.246.161.187 [symmetric] |
reference:attribute_examples [2011/07/25 12:32] (current) 131.246.41.159 [rotated] |
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Using | Using | ||
- | | ||
mp [of _ "C ∨ D"] | mp [of _ "C ∨ D"] | ||
- | | ||
yields the more specific theorem | yields the more specific theorem | ||
Line 24: | Line 22: | ||
Using | Using | ||
- | | ||
mp [where Q="C ∨ D"] | mp [where Q="C ∨ D"] | ||
- | | ||
yields the more specific theorem | yields the more specific theorem | ||
Line 75: | Line 71: | ||
Consider rule ''disjE'': | Consider rule ''disjE'': | ||
- | $\quad [|\ ?P \vee ?Q; ?P \Longrightarrow ?R; ?Q \Longrightarrow ?R\ |] \Longrightarrow ?R$. | + | $\quad [|\ ?P\;\vee\; ?Q; ?P \Longrightarrow ?R; ?Q \Longrightarrow ?R\ |] \Longrightarrow ?R$. |
Then, | Then, | ||
disjE [rotated 2] | disjE [rotated 2] | ||
- | | ||
yields | yields | ||
- | $\quad [\ ?Q \Longrightarrow ?R; ?P \vee ?Q; ?P \Longrightarrow ?R\ |] \Longrightarrow ?R$. | + | $\quad [|\ ?Q \Longrightarrow ?R; ?P\;\vee\; ?Q; ?P \Longrightarrow ?R\ |] \Longrightarrow ?R$. |
==== symmetric ===== | ==== symmetric ===== | ||
Consider the definition of set membership ''Set.mem_def'', | Consider the definition of set membership ''Set.mem_def'', |