| 1. | a. | 
 Ann introduced Bill to Carol [λxyz (x introduced y to z)] Ann Bill Carol 
Iabc
  | 
| b. | 
 Ann gave the book to either Bill or Carol Ann gave the book to Bill ∨ Ann gave the book to Carol [λxyz (x gave y to z)] Ann the book Bill ∨ [λxyz (x gave y to z)] Ann the book Carol 
Gakb ∨ Gakc 
  | 
| c. | 
 Ann gave the book to Bill and he gave it to Carol Ann gave the book to Bill ∧ Bill gave the book to Carol [λxyz (x gave y to z)] Ann the book Bill ∧ [λxyz (x gave y to z)] Bill the book Carol 
Gakb ∧ Gbkc 
  | 
| d. | 
 Tom had the package sent to Sue, but it was returned to him Tom had the package sent to Sue ∧ the package was returned to Tom [λxyz (x had y sent to z)] Tom the package Sue ∧ [λxy (x was returned to y)] the package Tom 
Htps ∧ Rpt 
  | 
| e. | 
 Georgia will see Ed if she gets to Denver before Saturday Georgia will see Ed ← Georgia will get to Denver before Saturday [λxy (x will see y)] Georgia Ed ← [λxyz (x will get to y before z)] Georgia Denver Saturday 
Sge ← Ggds 
  | 
| f. | 
 If the murderer is either the butler or the nephew, then I’m Sherlock Holmes the murderer is either the butler or the nephew → I’m Sherlock Holmes (the murderer is the butler ∨ the murderer is the nephew) → I = Sherlock Holmes (the murderer = the butler ∨ the murderer = the nephew) → i = s 
(m = b ∨ m = n) → i = s 
  | 
| g. | 
 Neither Ann nor Bill saw Tom speak to either Mike or Nancy ¬ (Ann saw Tom speak to either Mike or Nancy ∨ Bill saw Tom speak to either Mike or Nancy) ¬ ((Ann saw Tom speak to Mike ∨ Ann saw Tom speak to Nancy) ∨ (Bill saw Tom speak to Mike ∨ Bill saw Tom speak to Nancy)) ¬ (([λxyz (x saw y speak to z)] Ann Tom Mike ∨ [λxyz (x saw y speak to z)] Ann Tom Nancy) ∨ ([λxyz (x saw y speak to z)] Bill Tom Mike ∨ [λxyz (x saw y speak to z)] Bill Tom Nancy)) 
¬ ((Satm ∨ Satn) ∨ (Sbtm ∨ Sbtn)) 
  | 
| h. | 
 Tom will agree if each of Ann, Bill, and Carol asks him Tom will agree ← each of Ann, Bill, and Carol will ask Tom Tom will agree ← ((Ann will ask Tom ∧ Bill will ask Tom) ∧ Carol will ask Tom) [λx (x will agree)] Tom ← (([λxy (x will ask y)] Ann Tom ∧ [λxy (x will ask y)] Bill Tom) ∧ [λxy (x will ask y)] Carol Tom) 
Gt ← ((Aat ∧ Abt) ∧ Act) 
 The function of each here is to indicate a group of two-place predication rather than a single four-place predicate λxyzw (x, y, and z will ask w), which is what would be required in order to express instead the idea of Ann, Bill, and Carol making the request as a group.  | 
| 2. | a. | 
 
[λxy (x is west of y)] Crawfordsville Indianapolis 
 Crawfordsville is west of Indianapolis ∧ Crawfordsville is south of Lafayette Crawfordsville is west of Indianapolis and south of Lafayette  | 
| b. | 
[λxy (x has met y)] Ann Bill → [λxy (x has met y)] Bill Ann
 Ann has met Bill → Bill has met Ann If Ann has met Bill then he has met her  | 
| c. | 
 
[λxyz (x introduced y to z)] Alice Clarice Boris 
 Alice introduced Clarice to Boris ∧ Alice introduced Doris to Boris Alice introduced Clarice and Doris to Boris  | 
| d. | 
 
[λxy (x wrote to y)] Alice Boris
 Alice wrote to Boris ∧ Alice asked Boris to write Alice about Boris Alice wrote to Boris ∧ Alice asked Boris to write her about himself Alice wrote to Boris and asked him to write her about himself  | 
| e. | 
 g = c → (f = s ∧ p = t) Green Bay = the city → (football = the sport ∧ the Packers = the team) Green Bay is the city → (football is the sport ∧ the Packers are the team) Green Bay is the city → football is the sport and the Packers are the team If Green Bay is the city, then football is the sport and the Packers are the team  |