大师作文网关于偶数与奇数的问题（英语的）
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关于偶数与奇数的问题（英语的）
我在美国上初二 -帮我看看
1.A justification that uses onli counterexamples should not convince you that a statement is never true.Say why.
请用英语回答
我在美国上初二 -帮我看看
1.A justification that uses onli counterexamples should not convince you that a statement is never true.Say why.
请用英语回答
Counterexample is an example that is used to disprove a statement,it proves that a statement is not ALWAYS true,but it can not prove a statement is NEVER true.
Here is an example:'The opposite of a number is always positive.'
Counterexample for the above statement:The opposite of 2 is - 2,a negative number.But as I said,this counterexample can not prove above statement is NEVER true - The opposite of -2 is 2,which is true.
Here is an example:'The opposite of a number is always positive.'
Counterexample for the above statement:The opposite of 2 is - 2,a negative number.But as I said,this counterexample can not prove above statement is NEVER true - The opposite of -2 is 2,which is true.