Conditional Indicators (Logic)

Question 1

Only If

Answer 1

Necessary

Question 2

If

Answer 2

Sufficient

Question 3

Unless

Answer 3

Negate, Sufficient

Question 4

Only Where

Answer 4

Necessary

Question 5

Until

Answer 5

Negate, Sufficient

Question 6

Not Both

Answer 6

Negate, Necessary

Question 7

Only

Answer 7

Necessary

Question 8

Without

Answer 8

Negate, Sufficient

Question 9

No

Answer 9

Negate, Necessary

Question 10

Or

Answer 10

Negate, Sufficient

Question 11

Always

Answer 11

Necessary

Question 12

Any

Answer 12

Sufficient

Question 13

Where

Answer 13

Sufficient

Question 14

None

Answer 14

Negate, Necessary

Question 15

Requires

Answer 15

Necessary

Question 16

The Only

Answer 16

Sufficient

Question 17

Only When

Answer 17

Necessary

Question 18

When

Answer 18

Sufficient

Question 19

Must

Answer 19

Necessary

Question 20

All

Answer 20

Sufficient

Question 21

Every

Answer 21

Sufficient

Question 22

Any

Answer 22

Sufficient

Question 23

Will

Answer 23

Necessary

Question 24

Never

Answer 24

Negate, Necessary

Question 25

Cannot

Answer 25

Negate, Necessary

Question 26

Is essential

Answer 26

Necessary condition before, Sufficient condition after

Question 27

Is required

Answer 27

Necessary condition before, Sufficient condition after

Question 28

Is necessary

Answer 28

Necessary condition before, Sufficient condition after

Question 29

Is/Are

Answer 29

Sufficient condition before, Necessary condition after (not always an indicator of logic, depends upon context and usage)