- #1
The1TL
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Homework Statement
Let S1 = {a} be a set consisting of just one element and let
S2 = {b, c} be a set consisting of two elements.
Show that S1 × Z is bijective to S2 × Z.
Homework Equations
The Attempt at a Solution
So I usually prove bijectivity by showing that two sets are equinumerous, But in this case S1 and S2 are not so that makes it more difficult.