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-3

$begingroup$

Can the the answer be true for every even $x$ and false for every odd $x$?

4 $exists xinmathbb N^*$ s.t. $y^xge0 forall xinmathbb R$
Translate. There is at one $x$ in $mathbb N^*$, s.t. whenever $y^x$ the number is always in $mathbb N$, and $y$ can be any number in $mathbb R$.

Ans: True. For $x=$ even number, $y^xge0$

predicate-logic logic-translation

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edited yesterday

Parcly Taxel

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$endgroup$

• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  An answer can depend on the parity of $x$, for example the question "Is $x$ divisible by $2$?"
  $endgroup$
  – Javi
  yesterday
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  You must have a typo in the first line, $x$ surely isn't quantified twice,
  $endgroup$
  – ancientmathematician
  yesterday
  

  
  
  
  

add a comment | 

-3

$begingroup$

Can the the answer be true for every even $x$ and false for every odd $x$?

4 $exists xinmathbb N^*$ s.t. $y^xge0 forall xinmathbb R$
Translate. There is at one $x$ in $mathbb N^*$, s.t. whenever $y^x$ the number is always in $mathbb N$, and $y$ can be any number in $mathbb R$.

Ans: True. For $x=$ even number, $y^xge0$

predicate-logic logic-translation

share|cite|improve this question

edited yesterday

Parcly Taxel

43.5k1375104

asked yesterday

user10798572user10798572

24

$endgroup$

• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  An answer can depend on the parity of $x$, for example the question "Is $x$ divisible by $2$?"
  $endgroup$
  – Javi
  yesterday
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  You must have a typo in the first line, $x$ surely isn't quantified twice,
  $endgroup$
  – ancientmathematician
  yesterday
  

  
  
  
  

add a comment | 

$begingroup$

Can the the answer be true for every even $x$ and false for every odd $x$?

4 $exists xinmathbb N^*$ s.t. $y^xge0 forall xinmathbb R$
Translate. There is at one $x$ in $mathbb N^*$, s.t. whenever $y^x$ the number is always in $mathbb N$, and $y$ can be any number in $mathbb R$.

Ans: True. For $x=$ even number, $y^xge0$

predicate-logic logic-translation

share|cite|improve this question

edited yesterday

Parcly Taxel

43.5k1375104

asked yesterday

user10798572user10798572

24

$endgroup$

share|cite|improve this question

edited yesterday

Parcly Taxel

43.5k1375104

asked yesterday

user10798572user10798572

24

share|cite|improve this question

edited yesterday

Parcly Taxel

43.5k1375104

asked yesterday

user10798572user10798572

24

edited yesterday

Parcly Taxel

43.5k1375104

edited yesterday

Parcly Taxel

43.5k1375104

asked yesterday

user10798572user10798572

24

asked yesterday

user10798572user10798572

24