Example sentences of "[coord] only [conj] " in BNC.

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31 There is only one way : in terms of symbolic representations of the predicates , as in ‘ X is a chair and only if it is a portable seat for one person ’ .
32 Such contract or contracts may be varied if , and only if , the rules so provide , by a majority of the members or by a specified majority .
33 We say that a sentence is factually significant to any given person if , and only if , he knows how to verify the proposition which it purports to express — that is , if he knows what observations would lead him , under certain conditions , to accept the proposition as being true , or reject it as being false .
34 This way of putting the question reveals a sound judgement of the school curriculum : it has to be related to a child 's needs , and justified if and only if it satisfies those needs .
35 Patients poorly controlled in clinic are referred to the Unit as outpatients and only if this fails to resolve their problems is a short admission considered .
36 Since the metric function M is unchanged , it follows that the boundary conditions for the new solution are satisfied if , and only if , they are satisfied for the seed solution .
37 And only if such change occurs , and local government is organized in strong units with power to take major decisions , will present trends towards centralization be reversed , and local democracy secure its place as a major part of our democratic system .
38 Thus the QLF structure above survives if and only if the constraints on the third argument of pick-up2 and on the only argument of jack2 are consistent .
39 Thus FRF′R ’ is not normally the identity ; it is the identity , if and only if FR=RF , that is , F and R commute .
40 They avoid trouble at all times and only if they are cornered or pestered will they bite at their attackers .
41 In doing so it attempts to limit the effects of the imbalance to the most superficial levels — in other words , the physical level — and only if it fails to do so will emotional imbalances , or if the stresses go deeper , mental imbalances , be manifest .
42 Accounting for the individual instruments is required by paragraph 19 if ( and only if ) the instruments are capable of being cancelled or redeemed independently of each other .
43 Group members can also be asked if they could give a small life history of themselves , although never without prior warning , and only if they are sufficiently confident to do so .
44 On finding this mark-up within a document , Guide first looks for Aname in the context-table ( if any ) for the current document , and only if this fails is the library searched .
45 A semantic net may be formally represented as a directed , labeled graph with nodes and links where The predicate is true , if and only if and are connected by a path of labels .
46 So d ( k , r ) = 1 if and only if some word in the dictionary contains the character a(k) in position i and a(r) in position j , where a is the alphabet .
47 If and only if it does , that route is followed , which means counting how many of the 26 bits are set up to and including the required one , to establish which member of the pointer array to follow to the next level in the tree .
48 We are inclined to think that the grammar of the linguistic expression is some sort of consequence of the process being of a certain kind ; for example , that ‘ I remember X-ing ’ is true if and only if I X-ed because remembering is a process in which one somehow sees into the past .
49 If you need urgent information you are invited to use the following telephone number but , please , only use it between 19.00 and 21.00 on Mondays to Thursdays and only if it is absolutely necessary …
50 The didactic exercise culminates in front of a J.E.H. MacDonald landscape , a painting visible if , and only if , the visitor sits in a booth ( maximum capacity of two ) and listens to a voice that tries , according to a museum official , ‘ to stimulate the visitor 's imaginative powers ’ .
51 The labels , however , have fallen off or become illegible , and only if a character with Chemistry or Prepare Poisons makes a thorough ( 1 dose ) analysis coupled with a successful Int test will he know what they are .
52 If — and only if — you are using the pregenerated characters , then there will be two additional Grimoires here with gold and silver banding .
53 The three properties can be explained on the assumption that a synapse will be potentiated if , and only if , it is active at a time when the region of dendrite on which it terminates is sufficiently depolarized .
54 Let us say that the meaning of a statement is cognitive if and only if there is a certain belief such that one is speaking either insincerely or incorrectly if one makes that statement or assents to it as uttered by another without having that belief .
55 And let us say that the meaning of a statement is valuational if and only if there is a certain attitude to which it is related just as a cognitive statement is related to a certain belief .
56 One speaks with linguistic propriety and sincerity when saying ‘ it will rain this afternoon ’ if and only if one believes it will ; the truth of the matter has nothing to do with it .
57 Threatening co-ordination difficulties can arise if and only if the system 's managers can not resolve the displacement of crises because of serious dysfunctions in the economy or some sort of collapse in the cultural — ideological system .
58 The problem here seems to be this : am I saying that a child is responsible if and only if we declare her to be so , given that she knows what she is doing ?
59 Equally witches are real if and only if there are criteria for identifying witches .
60 For instance , it would let International Relations theories refer to ‘ the international system ’ if and only if there is enough of a set of rules ( explicit , tacit , or even perhaps latent ) which international actors share and follow .
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