| Object | Ideas.Text.JSON |
| octDigit | Ideas.Utils.Parsing |
| Ok | |
| 1 (Data Constructor) | Ideas.Common.Constraint |
| 2 (Data Constructor) | Ideas.Service.ProblemDecomposition |
| 3 (Data Constructor) | Ideas.Service.Submit |
| oldReady | Ideas.Service.FeedbackScript.Run |
| OMA | Ideas.Text.OpenMath.Object |
| OMBIND | Ideas.Text.OpenMath.Object |
| OMF | Ideas.Text.OpenMath.Object |
| OMI | Ideas.Text.OpenMath.Object |
| OMOBJ | Ideas.Text.OpenMath.Object |
| omobj2xml | Ideas.Text.OpenMath.Object |
| OMS | Ideas.Text.OpenMath.Object |
| OMV | Ideas.Text.OpenMath.Object |
| onBottom | Ideas.Text.HTML.W3CSS |
| once | |
| 1 (Function) | Ideas.Utils.QuickCheck |
| 2 (Function) | Ideas.Common.Strategy.Traversal |
| oncebu | Ideas.Common.Strategy.Traversal, Ideas.Common.Strategy, Ideas.Common.Library |
| oncebuPref | Ideas.Common.Strategy.Traversal, Ideas.Common.Strategy, Ideas.Common.Library |
| oncetd | Ideas.Common.Strategy.Traversal, Ideas.Common.Strategy, Ideas.Common.Library |
| oncetdPref | Ideas.Common.Strategy.Traversal, Ideas.Common.Strategy, Ideas.Common.Library |
| onefinal | Ideas.Service.BasicServices |
| onefirst | Ideas.Service.BasicServices |
| onefirsttext | Ideas.Service.FeedbackText |
| oneOf | Ideas.Utils.Parsing |
| oneof | Ideas.Utils.QuickCheck |
| onLeft | Ideas.Text.HTML.W3CSS |
| onlyWarnings | Ideas.Utils.TestSuite |
| onMenu | Ideas.Common.Strategy.Choice |
| onMenuWithIndex | Ideas.Common.Strategy.Choice |
| onRight | Ideas.Text.HTML.W3CSS |
| onStrategyTree | Ideas.Common.Strategy.Abstract |
| onTop | Ideas.Text.HTML.W3CSS |
| opacity | Ideas.Text.HTML.W3CSS |
| opacityMax | Ideas.Text.HTML.W3CSS |
| opacityMin | Ideas.Text.HTML.W3CSS |
| opacityOff | Ideas.Text.HTML.W3CSS |
| Operator | Ideas.Utils.Parsing |
| OperatorTable | Ideas.Utils.Parsing |
| opLetter | Ideas.Utils.Parsing |
| opStart | Ideas.Utils.Parsing |
| Option | Ideas.Common.Strategy.Traversal, Ideas.Common.Strategy, Ideas.Common.Library |
| option | |
| 1 (Function) | Ideas.Utils.Parsing |
| 2 (Function) | Ideas.Common.Strategy.Derived |
| 3 (Function) | Ideas.Common.Strategy.Combinators, Ideas.Common.Strategy, Ideas.Common.Library |
| optional | Ideas.Utils.Parsing |
| optionBaseUrl | Ideas.Encoding.Options |
| optionCgiBin | Ideas.Encoding.Options |
| optionHtml | Ideas.Encoding.Options |
| optionMaybe | Ideas.Utils.Parsing |
| Options | Ideas.Encoding.Options |
| Orange | Ideas.Text.HTML.W3CSS |
| Ordered | Ideas.Utils.QuickCheck |
| OrderedList | Ideas.Utils.QuickCheck |
| orderedList | Ideas.Utils.QuickCheck |
| orelse | |
| 1 (Function) | Ideas.Common.Strategy.Choice |
| 2 (Function) | Ideas.Common.Strategy.Combinators, Ideas.Common.Strategy, Ideas.Common.Library |
| ors | Ideas.Common.Classes, Ideas.Common.Predicate, Ideas.Common.Library |
| orSymbol | Ideas.Text.OpenMath.Dictionary.Logic1 |
| outermost | Ideas.Common.Strategy.Traversal, Ideas.Common.Strategy, Ideas.Common.Library |
| output | |
| 1 (Function) | Ideas.Utils.QuickCheck |
| 2 (Function) | Ideas.Common.Rule.Parameter, Ideas.Common.Rule, Ideas.Common.Library |
| 3 (Function) | Ideas.Encoding.Logging |
| outputOnly | Ideas.Common.Rule.Parameter, Ideas.Common.Rule, Ideas.Common.Library |
| outputOnly2 | Ideas.Common.Rule.Parameter, Ideas.Common.Rule, Ideas.Common.Library |
| outputOnly3 | Ideas.Common.Rule.Parameter, Ideas.Common.Rule, Ideas.Common.Library |
| outputOnlyWith | Ideas.Common.Rule.Parameter, Ideas.Common.Rule, Ideas.Common.Library |
| outputWith | Ideas.Common.Rule.Parameter, Ideas.Common.Rule, Ideas.Common.Library |
| overlay | Ideas.Text.HTML.W3CSS |