Post your solutions to the in-class exercise here. Best, Chris

-- Oct 10 In-Class Exercise Thread

  A .  B .  C
  1 .  2 .  3
  1 .  4 .  3
  1 .  2 .  5
  1 .  4 .  5

  A .  B .  C
  1 .  2 .  3
  1 .  4 .  5
  1 .  2 .  6
  1 .  4 .  7

A . B . C 1 . 2 . 3 1 . 4 . 3 1 . 2 . 5 1 . 4 . 5 A -> -> B is a MVD A . B . C 1 . 2 . 3 1 . 4 . 5 1 . 2 . 6 1 . 4 . 7 A -> -> B is not a MVD

-- Oct 10 In-Class Exercise Thread

R(A,B,C) for A→→B is a MVD {| |- | A || B || C |- | a || b1 || c1 |- | a || b2 || c1 |- | a || b1 || c2 |- | a || b2 || c2 |} for A→→B not a MVD {| |- | A || B || C |- | a || b1 || c1 |- | a || b2 || c2 |- | a || b1 || c3 |- | a || b2 || c4 |}

-- Oct 10 In-Class Exercise Thread

Student: Hongbin Zheng {| |- | A || B || C |- | 1 || 2 || 3 |- | 1 || 2 || 4 |- | 1 || 5 || 3 |- | 1 || 5 || 4 |} {| |- | A || B || C |- | 1 || 2 || 3 |- | 1 || 2 || 5 |- | 1 || 4 || 6 |- | 1 || 4 || 7 |}

-- Oct 10 In-Class Exercise Thread

<nowiki> R(A, B, C) A ->-> B is a MVD | A | B | C | +-----+-----+-----+ | 1 | A | X | | 1 | A | Y | | 1 | B | X | | 1 | B | Y | A ->-> B is not a MVD | A | B | C | +-----+-----+-----+ | 1 | A | X | | 1 | A | Y | | 1 | B | Z | | 1 | B | W | </nowiki>

-- Oct 10 In-Class Exercise Thread

A ->->B is MVD A | B | C 1 | 3 | 5 1 | 3 | 6 1 | 4 | 5 1 | 4 | 6 A ->->B not MVD A | B | C 1 | 3 | 10 1 | 3 | 12 1 | 4 | 13 1 | 4 | 14

-- Oct 10 In-Class Exercise Thread

MVD: A,B,C 1,2,3 1,2,4 1,5,3 1,5,4 Non-MVD: A,B,C 1,2,3 1,2,4 1,5,6 1,5,7

-- Oct 10 In-Class Exercise Thread

MVD: A . B . C hi . hello . bye hi . hello . cya hi . hey . bye hi . hey . cya Non MVD: A . B . C hi . hello . bye hi . hello . cya hi . hey . later hi . hey . peace

-- Oct 10 In-Class Exercise Thread

Name |Address |MovieTitle C. Fisher|123 Maple St. Hollywood|Return of Jedi C. Fisher|5 Locust Ln. Malibu |Return of Jedi C. Fisher|123 Maple St. Hollywood|Empire Strikes Back C. Fisher|5 Locust Ln. Malibu |Empire Strikes Back Name >> Address is an MVD Name |Address |MovieTitle C. Fisher|123 Maple St. Hollywood|Return of Jedi C. Fisher|5 Locust Ln. Malibu |The Last Jedi C. Fisher|123 Maple St. Hollywood|Empire Strikes Back C. Fisher|5 Locust Ln. Malibu |The Force Awakens Name >> Address is not an MVD

-- Oct 10 In-Class Exercise Thread

  A .   B .   C
 a1 .  b1 .  c1
 a1 .  b1 .  c2
 a1 .  b1 .  c3
 a2 .  b2 . c2
 a2 .  b2 . c3

  A .   B .   C
 a1 .  b1 .  c1
 a1 .  b1 .  c2
 a1 .  b1 .  c3
 a2 .  b2 . c4
 a2 .  b2 . c5

A ->-> B A . B . C a1 . b1 . c1 a1 . b1 . c2 a1 . b1 . c3 a2 . b2 . c2 a2 . b2 . c3 Not A ->-> B A . B . C a1 . b1 . c1 a1 . b1 . c2 a1 . b1 . c3 a2 . b2 . c4 a2 . b2 . c5