PRACTICE PROBLEMS - SUBSETS

If LaTeX: A=\left\{m,\:u,\:s,\:i,\:c\right\}, LaTeX: B=\left\{a,\:r,\:t\right\} and LaTeX: C=\left\{h,\:i,\:s,\:t,\:o,\:r,\:y\right\}fill in the blanks with the symbol LaTeX: \subset or LaTeX: \not\subset.

(a) LaTeX: \left\{i,\:s\right\}\:\:\:\:\:\:\:A

(b) LaTeX: \left\{\right\}\:\:\:\:\:\:\:A

(c) LaTeX: \left\{m,\:u,\:s,\:i,\:c\right\}\:\:\:\:\:\:\:A

(d) LaTeX: \left\{a\right\}\:\:\:\:\:\:\:B

(e) LaTeX: \left\{t,\:a\right\}\:\:\:\:\:\:\:B

(f) LaTeX: \left\{t,\:a,\:r\right\}\:\:\:\:\:\:\:B

(g) LaTeX: B\:\:\:\:\:\:\:\left\{t,\:a,\:r\right\}

(h) LaTeX: \varnothing\:\:\:\:\:\:\:C

(i) LaTeX: \left\{i,\:s\right\}\:\:\:\:\:\:\:C

(j) LaTeX: \left\{s,\:t,\:o,\:r,\:y\right\}\:\:\:\:\:\:C

(k) LaTeX: \left\{r,\:i,\:c,\:h\right\}\:\:\:\:\:\:\:C

(l) LaTeX: \left\{r,\:i\right\}\:\:\:\:\:\:\:B

(m) LaTeX: \left\{t,\:h,\:i,\:s\right\}\:\:\:\:\:\:\:C

(n) LaTeX: \left\{y,\:o,\:u,\:r\right\}\:\:\:\:\:\:\:C

(o) LaTeX: \left\{s,\:u,\:e\right\}\:\:\:\:\:\:\:A