Skip to main content
Mathematics LibreTexts

2.5.0: Exercises

  • Page ID
    171693
  • \( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} } \)

    \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash {#1}}} \)

    \( \newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\)

    ( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\)

    \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\)

    \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\)

    \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\)

    \( \newcommand{\Span}{\mathrm{span}}\)

    \( \newcommand{\id}{\mathrm{id}}\)

    \( \newcommand{\Span}{\mathrm{span}}\)

    \( \newcommand{\kernel}{\mathrm{null}\,}\)

    \( \newcommand{\range}{\mathrm{range}\,}\)

    \( \newcommand{\RealPart}{\mathrm{Re}}\)

    \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\)

    \( \newcommand{\Argument}{\mathrm{Arg}}\)

    \( \newcommand{\norm}[1]{\| #1 \|}\)

    \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\)

    \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\AA}{\unicode[.8,0]{x212B}}\)

    \( \newcommand{\vectorA}[1]{\vec{#1}}      % arrow\)

    \( \newcommand{\vectorAt}[1]{\vec{\text{#1}}}      % arrow\)

    \( \newcommand{\vectorB}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} } \)

    \( \newcommand{\vectorC}[1]{\textbf{#1}} \)

    \( \newcommand{\vectorD}[1]{\overrightarrow{#1}} \)

    \( \newcommand{\vectorDt}[1]{\overrightarrow{\text{#1}}} \)

    \( \newcommand{\vectE}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash{\mathbf {#1}}}} \)

    \( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}} } \)

    \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash {#1}}} \)

    \(\newcommand{\avec}{\mathbf a}\) \(\newcommand{\bvec}{\mathbf b}\) \(\newcommand{\cvec}{\mathbf c}\) \(\newcommand{\dvec}{\mathbf d}\) \(\newcommand{\dtil}{\widetilde{\mathbf d}}\) \(\newcommand{\evec}{\mathbf e}\) \(\newcommand{\fvec}{\mathbf f}\) \(\newcommand{\nvec}{\mathbf n}\) \(\newcommand{\pvec}{\mathbf p}\) \(\newcommand{\qvec}{\mathbf q}\) \(\newcommand{\svec}{\mathbf s}\) \(\newcommand{\tvec}{\mathbf t}\) \(\newcommand{\uvec}{\mathbf u}\) \(\newcommand{\vvec}{\mathbf v}\) \(\newcommand{\wvec}{\mathbf w}\) \(\newcommand{\xvec}{\mathbf x}\) \(\newcommand{\yvec}{\mathbf y}\) \(\newcommand{\zvec}{\mathbf z}\) \(\newcommand{\rvec}{\mathbf r}\) \(\newcommand{\mvec}{\mathbf m}\) \(\newcommand{\zerovec}{\mathbf 0}\) \(\newcommand{\onevec}{\mathbf 1}\) \(\newcommand{\real}{\mathbb R}\) \(\newcommand{\twovec}[2]{\left[\begin{array}{r}#1 \\ #2 \end{array}\right]}\) \(\newcommand{\ctwovec}[2]{\left[\begin{array}{c}#1 \\ #2 \end{array}\right]}\) \(\newcommand{\threevec}[3]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \end{array}\right]}\) \(\newcommand{\cthreevec}[3]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \end{array}\right]}\) \(\newcommand{\fourvec}[4]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \\ #4 \end{array}\right]}\) \(\newcommand{\cfourvec}[4]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \\ #4 \end{array}\right]}\) \(\newcommand{\fivevec}[5]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \\ #4 \\ #5 \\ \end{array}\right]}\) \(\newcommand{\cfivevec}[5]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \\ #4 \\ #5 \\ \end{array}\right]}\) \(\newcommand{\mattwo}[4]{\left[\begin{array}{rr}#1 \amp #2 \\ #3 \amp #4 \\ \end{array}\right]}\) \(\newcommand{\laspan}[1]{\text{Span}\{#1\}}\) \(\newcommand{\bcal}{\cal B}\) \(\newcommand{\ccal}{\cal C}\) \(\newcommand{\scal}{\cal S}\) \(\newcommand{\wcal}{\cal W}\) \(\newcommand{\ecal}{\cal E}\) \(\newcommand{\coords}[2]{\left\{#1\right\}_{#2}}\) \(\newcommand{\gray}[1]{\color{gray}{#1}}\) \(\newcommand{\lgray}[1]{\color{lightgray}{#1}}\) \(\newcommand{\rank}{\operatorname{rank}}\) \(\newcommand{\row}{\text{Row}}\) \(\newcommand{\col}{\text{Col}}\) \(\renewcommand{\row}{\text{Row}}\) \(\newcommand{\nul}{\text{Nul}}\) \(\newcommand{\var}{\text{Var}}\) \(\newcommand{\corr}{\text{corr}}\) \(\newcommand{\len}[1]{\left|#1\right|}\) \(\newcommand{\bbar}{\overline{\bvec}}\) \(\newcommand{\bhat}{\widehat{\bvec}}\) \(\newcommand{\bperp}{\bvec^\perp}\) \(\newcommand{\xhat}{\widehat{\xvec}}\) \(\newcommand{\vhat}{\widehat{\vvec}}\) \(\newcommand{\uhat}{\widehat{\uvec}}\) \(\newcommand{\what}{\widehat{\wvec}}\) \(\newcommand{\Sighat}{\widehat{\Sigma}}\) \(\newcommand{\lt}{<}\) \(\newcommand{\gt}{>}\) \(\newcommand{\amp}{&}\) \(\definecolor{fillinmathshade}{gray}{0.9}\)

    For the following exercises, determine whether the pair of compound statements are logically equivalent by constructing a truth table.

    Exercise \(\PageIndex{1}\)

    Converse: \(q \rightarrow p\) and inverse: \(\sim p \rightarrow \sim q\)

    Exercise \(\PageIndex{2}\)

    Conditional: \(p \rightarrow q\) and contrapositive: \(\sim q \rightarrow \sim p\)

    Exercise \(\PageIndex{3}\)

    Inverse: \(\sim p \rightarrow \sim q\) and contrapositive: \(\sim q \rightarrow \sim p\)

    Exercise \(\PageIndex{4}\)

    Conditional: \(p \rightarrow q\) and converse: \(q \rightarrow p\)

    Exercise \(\PageIndex{5}\)

    \(\sim p \rightarrow q\) and \(p \vee \sim q\)

    Exercise \(\PageIndex{6}\)

    \(\sim p \rightarrow q\) and \(p \vee q\)

    Exercise \(\PageIndex{7}\)

    \(\sim(p \wedge q)\) and \(\sim p \wedge \sim q\)

    Exercise \(\PageIndex{8}\)

    \(\sim(p \wedge q)\) and \(\sim p \vee \sim q\)

    Exercise \(\PageIndex{9}\)

    \(p \wedge(q \vee r)\) and \((p \wedge q) \vee(p \wedge r)\)

    Exercise \(\PageIndex{10}\)

    \(p \wedge(q \vee r)\) and \((p \wedge q) \vee r\)

    For the following exercises, answer the following:
    1. Write the conditional statement \(p \rightarrow q\) in words.
    2. Write the converse statement \(q \rightarrow p\) in words.
    3. Write the inverse statement \(\sim p \rightarrow \sim q\) in words.
    4. Write the contrapositive statement \(\sim q \rightarrow \sim p\) in words.
    Exercise \(\PageIndex{11}\)

    \(p\) : Six is afraid of Seven and \(q\) : Seven ate Nine.

    Exercise \(\PageIndex{12}\)

    \(p\) : Hope is eternal and \(q\) : Despair is temporary.

    Exercise \(\PageIndex{13}\)

    \(p\) : Tom Brady is a quarterback and \(q\) : Tom Brady does not play soccer.

    Exercise \(\PageIndex{14}\)

    \(p\) : Shakira does not sing opera and \(q\) : Shakira sings popular music.

    Exercise \(\PageIndex{15}\)

    \(p\) :The shape does not have three sides and \(q\) : The shape is not a triangle.

    Exercise \(\PageIndex{16}\)

    \(p\) : All birds can fly and \(q\) : Emus can fly.

    Exercise \(\PageIndex{17}\)

    \(p\) : Penguins cannot fly and \(q\) : Some birds can fly.

    Exercise \(\PageIndex{18}\)

    \(p\) : Some superheroes do not wear capes and \(q\) : Spiderman is a superhero.

    Exercise \(\PageIndex{19}\)

    \(p\) : No Pokémon are little ponies and \(q\) : Bulbasaur is a Pokémon.

    Exercise \(\PageIndex{20}\)

    \(p\) : Roses are red, and violets are blue and \(q\) : Sugar is sweet, and you are sweet too.

    For the following exercises, use the conditional statement: "If Clark Kent is Superman, then Lois Lane is not a reporter," to answer the following questions.
    Exercise \(\PageIndex{21}\)

    Write the hypothesis of the conditional statement, label it with a \(p\), and determine its truth value.

    Exercise \(\PageIndex{22}\)

    Write the conclusion of the conditional statement, label it with a \(q\), and determine its truth value.

    Exercise \(\PageIndex{23}\)

    Identify the following statement as the converse, inverse, or contrapositive, and determine its truth value: "If Clark Kent is not Superman, then Lois Lane is a reporter."

    Exercise \(\PageIndex{24}\)

    Identify the following statement as the converse, inverse, or contrapositive, and determine its truth value: "If Lois Lane is a reporter, then Clark Kent is not Superman."

    Exercise \(\PageIndex{25}\)

    Which form of the conditional is logically equivalent to the converse?

    For the following exercises, use the conditional statement: "If The Masked Singer is not a music competition, then Donnie Wahlberg was a member of New Kids on the Block," to answer the following questions.
    Exercise \(\PageIndex{26}\)

    Write the hypothesis of the conditional statement, label it with a \(p\), and determine its truth value.

    Exercise \(\PageIndex{27}\)

    Write the conclusion of the conditional statement, label it with a \(q\), and determine its truth value.

    Exercise \(\PageIndex{28}\)

    Identify the following statement as the converse, inverse, or contrapositive, and determine its truth value: "If Donnie Wahlberg was a member of New Kids on the Block, then The Masked Singer is not a music competition."

    Exercise \(\PageIndex{29}\)

    Identify the following statement as the converse, inverse, or contrapositive, and determine its truth value: "If The Masked Singer is a music competition, then Donnie Wahlberg was not a member of New Kids on the Block."

    Exercise \(\PageIndex{30}\)

    Which form of the conditional is logically equivalent to the contrapositive, \(\sim q \rightarrow \sim p\) ?

    For the following exercises, use the conditional statement: "If all whales are mammals, then no fish are whales," to answer the following questions.
    Exercise \(\PageIndex{31}\)

    Write the hypothesis of the conditional statement, label it with a \(p\), and determine its truth value.

    Exercise \(\PageIndex{32}\)

    Write the conclusion of the conditional statement, label it with a \(q\), and determine its truth value.

    Exercise \(\PageIndex{33}\)

    Identify the following statement as the converse, inverse, or contrapositive, and determine its truth value: "If some fish are whales, then some whales are not mammals."

    Exercise \(\PageIndex{34}\)

    Write the inverse in words and determine its truth value.

    Exercise \(\PageIndex{35}\)

    Write the converse in words and determine its truth value.

    For the following exercises, use the conditional statement: "If some parallelograms are rectangles, then some circles are not symmetrical," to answer the following questions.
    Exercise \(\PageIndex{36}\)

    Write the hypothesis of the conditional statement, label it with a \(p\), and determine its truth value.

    Exercise \(\PageIndex{37}\)

    Write the conclusion of the conditional statement, label it with a \(q\), and determine its truth value.

    Exercise \(\PageIndex{38}\)

    Write the converse in words and determine its truth value.

    Exercise \(\PageIndex{39}\)

    Write the contrapositive in words and determine its truth value.

    Exercise \(\PageIndex{40}\)

    Write the inverse in words and determine its truth value.


    2.5.0: Exercises is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts.

    • Was this article helpful?