Index - I
| idempotent | Test.Operators, Test.Most |
| identity | Test.Operators, Test.Most |
| int | Test.TypeBinding, Test.Most |
| Int1 | Test.Types, Test.Most |
| int1 | Test.TypeBinding, Test.Most |
| Int2 | Test.Types, Test.Most |
| int2 | Test.TypeBinding, Test.Most |
| Int3 | Test.Types, Test.Most |
| int3 | Test.TypeBinding, Test.Most |
| Int4 | Test.Types, Test.Most |
| int4 | Test.TypeBinding, Test.Most |
| integer | Test.TypeBinding, Test.Most |
| isPeriod | Test.Check.Function.Periodic |
| isPeriodOf | Test.Check.Function.Periodic |