Welcome to Interactive Chalkboard Glencoe Geometry Interactive Chalkboard Copyright © by The McGraw-Hill Companies, Inc. Developed by FSCreations, Inc., Cincinnati, Ohio Send all inquiries to: GLENCOE DIVISION Glencoe/McGraw-Hill 8787 Orion Place Columbus, Ohio 43240
Splash Screen
Contents Lesson 2-2Logic OBJECTIVE: To construct truth tables (2.8.11Q) (M8.D.1.1)
Lesson 2 Contents Example 1Truth Values of Conjunctions Example 2Truth Values of Disjunctions Example 3Use Venn Diagrams Example 4Construct Truth Tables
Example 2-4a Step 1 Make columns with the headings p, q, ~p, and ~p Construct a truth table for. ~p ~p~p q p
Example 2-4b Step 2 List the possible combinations of truth values for p and q. Construct a truth table for. FF TF FT TT ~p ~p~p qp
Example 2-4c Step 3 Use the truth values of p to determine the truth values of ~p. Construct a truth table for. TFF TTF FFT FTT ~p ~p~p qp
Example 2-4d Step 4 Use the truth values for ~p and q to write the truth values for ~p q. Answer: Construct a truth table for. TTFF TTTF FFFT TFTT ~p ~p~p qp
Example 2-4f p (~q r)~q r~q r ~qrqp Step 1 Make columns with the headings p, q, r, ~q, ~q r, and p (~q r). Construct a truth table for.
Example 2-4g Step 2 List the possible combinations of truth values for p, q, and r. Construct a truth table for. FFF p (~q r)~q r~q r ~q F T T F F T T r TF TT FT TF FF FT TT qp
Example 2-4h Step 3 Use the truth values of q to determine the truth values of ~q. Construct a truth table for. TFFF p (~q r)~q r~q r F T F T F T F ~q F T T F F T T r TF TT FT TF FF FT TT qp
Example 2-4i Step 4 Use the truth values for ~q and r to write the truth values for ~q r. Construct a truth table for. FTFFF p (~q r) F T F F F T F ~q r~q r F T F T F T F ~q F T T F F T T r TF TT FT TF FF FT TT qp
Example 2-4j Step 5 Use the truth values for p and ~q r to write the truth values for p (~q r). Answer: Construct a truth table for. FFTFFF F T F T T T T p (~q r) F T F F F T F ~q r~q r F T F T F T F ~q F T T F F T T r TF TT FT TF FF FT TT qp
Example 2-4l Construct a truth table for (p q) ~r. (p q) ~rp qp q ~rrqp Step 1 Make columns with the headings p, q, r, ~r, p q, and (p q) ~r.
Example 2-4m Step 2 List the possible combinations of truth values for p, q, and r. FFF (p q) ~rp qp q ~r F T T F F T T r TF TT FT TF FF FT TT qp Construct a truth table for (p q) ~r.
Example 2-4n Step 3 Use the truth values of r to determine the truth values of ~r. Construct a truth table for (p q) ~r. TFFF (p q) ~rp qp q T F F T T F F ~r F T T F F T T r TF TT FT TF FF FT TT qp
Example 2-4o Step 4 Use the truth values for p and q to write the truth values for p q. Construct a truth table for (p q) ~r. FTFFF (p q) ~r T F T T T T T p qp q T F F T T F F ~r F T T F F T T r TF TT FT TF FF FT TT qp
Example 2-4p Step 5 Use the truth values for p q and ~r to write the truth values for (p q) ~r. Answer: Construct a truth table for (p q) ~r. FFTFFF F F T F T F T (p q) ~r T F T T T T T p qp q T F F T T F F ~r F T T F F T T r TF TT FT TF FF FT TT qp
Example 2-4r Construct a truth table for the following compound statement. a. FFFFFF F F T F T F T F F T F F F T F F F F T F T TFF F T F F T T r TT FT TF TF FT TT qp Answer:
Example 2-4s b. Answer: FFFFFF T F T F T T T T T T F T T T T F T T T T T TFF F T F F T T r TT FT TF TF FT TT qp Construct a truth table for the following compound statement.
Example 2-4t c. Answer: FFFFFF T F T T T T T F F T F F F T T F T T T T T TFF F T F F T T r TT FT TF TF FT TT qp Construct a truth table for the following compound statement.
Review Construct a truth table for p^q. pqp^q TTT TFF FTF FFF
End of Lesson 2
End of Custom Show End of Custom Shows WARNING! Do Not Remove This slide is intentionally blank and is set to auto-advance to end custom shows and return to the main presentation.
End of Slide Show