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∀$x^1$∀$x^2$….∀$x^101$ ( {cube($x^1$)  $\wedge$  cube($x^2$)... $\wedge$ cube(x^101) } → { ($x^1$=$x^2$) V {$x^2$=$x^3$}….V{$x^100$=$x^101$} .

in this cube(x) denotes x is a cube.

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Shubhanshu asked Jul 21, 2017
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How to write:-"There are at most two apples"I think it should be:-∀x { A(x) - ∀y {A(y) - (x=y) V [ ∀z [A(z) - ((z=y) V (z=x))]]}}is it correct or not?