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$\vert H \cap K\vert=1$

then find $|H ∩ K|.Abstract Algebra

$H ∩ K ≤ H and H ∩ K ≤ K \implies |H ∩ K|||H| and |H ∩ %K|||K| \implies |H ∩ K||12 and |H ∩ K||35

\implies |H ∩ K|| gcd(12, 35)

\implies |H ∩ K|$

ok hopefully this is basically correct but what is the markup code for implies

https://dl.orangedox.com/XIYqaX59YzCfCQoBcb