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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2071 | zjchen | 1 | !set methtit=删除无用的假设 |
| 2 | !set methparmtype=special |
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| 3 | !set methparmrelax=1 |
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| 4 | !set stepnocount=yes |
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| 7210 | bpr | 5 | !set methhelp=<p>你可以用这个方法删除无用的假设,\ |
| 2071 | zjchen | 6 | 以净化环境. 不过, <b>请注意</b>! 如果你删除了必要的假设,\ |
| 7 | 你将无法完成证明!\ |
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| 7210 | bpr | 8 | </p>\ |
| 2071 | zjchen | 9 | 任何时候你都可以使用这个方法而不用担心被扣分,\ |
| 10 | 因为这不会增加推导的步数. |
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| 11 | !set N_=!linecnt $m_context |
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| 12 | |||
| 13 | !if $wims_read_parm iswordof form check |
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| 14 | !goto $wims_read_parm |
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| 15 | !endif |
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| 16 | |||
| 17 | !if $N_<1 |
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| 18 | !set error1=目前情况下已经没有任何假设! |
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| 19 | !endif |
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| 20 | |||
| 21 | !exit |
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| 22 | :form |
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| 23 | $methhelp |
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| 24 | <p> |
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| 7210 | bpr | 25 | 这里是当前的假设. 标记你想删除的假设. |
| 26 | </p><ul> |
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| 2071 | zjchen | 27 | !for i=1 to $N_ |
| 28 | !set l=!line $i of $m_context |
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| 7210 | bpr | 29 | <li> <input type="checkbox" name="methparm1" value="$i" /> \($l)</li> |
| 2071 | zjchen | 30 | !next i |
| 31 | </ul> |
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| 32 | !exit |
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| 33 | :check |
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| 34 | !reset newobject,oldobject |
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| 35 | n_=!itemcnt $methparm1 |
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| 36 | !if $n_=0 |
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| 37 | methexp=空的步骤 |
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| 38 | !exit |
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| 39 | !endif |
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| 40 | nc= |
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| 41 | !for i=1 to $N_ |
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| 42 | !if $i notitemof $methparm1 |
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| 43 | l=!line $i of $m_context |
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| 44 | nc=!append line $l to $nc |
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| 45 | !endif |
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| 46 | !next i |
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| 47 | m_context=$nc |
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| 48 | !read deduc/objects.combine |
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| 49 | methexp=删除 $n_ hypotheses |
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| 50 | |||
| 51 | !exit |
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| 52 |