# If ABCD is a square, then ABCD is a quadrilateral.

Pełen tekst

### l If triangle ABC is right-angled, then a

### p If x

### q If x

### r If x

### s If x

### q: x

### b Using the results of part

### i x > 3 and x

### ii x > / 3 and x

### [Note: the symbol > / denotes

### d State which one of the propositions in part

### i p q

### The conjunction of any two statements p and q is written p

### p q p

Powiązane dokumenty

Dany jest taki czworościan, że każdy kąt dwuścienny wyzna- czony przez jego sąsiednie ściany jest ostry lub prosty.. Wierz- chołki tego czworościanu leżą na sferze o

(a) Write the following statements in symbolic logic form (i) “If the sun is shining then I will walk to school.”.. (ii) “If I do not walk to school then the sun is

It is proved that a doubly stochastic operator P is weakly asymptotically cyclic if it almost overlaps supports1. If moreover P is Frobenius–Perron or Harris then it is

To generalise the Fox fundamental trope or the Artin–Mazur fundamental pro-group of a space we consider a fun- damental pro-groupoid π crs(X) and a category pro(π crs(X), Sets) which

At the Second Canadian Number Theory Associa- tion Conference held at the University of British Columbia in August 1989, Michael Robinson of the Supercomputing Research Center in

via Rubin’s theorem [R] and (4)), Corollaries 1 and 3 conditionally capture the orders of all the Tate–Shafarevich groups of rank 0 congruent number curves.. Therefore these

The difficulty in obtaining the result for the remaining values is related, primarily, to the failure of Lemma 1 to hold for those additional values, and this lemma played a key role

We shall now give another criterion in which we weaken the assumption on the boundary of the domain at the cost of strengthening the assumption on the mapping2. Let D ⊂ C n be a