| Checkpoint(checkpoint)
| | checkpoint |
| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | Geography.kif 734-740 | |
| No TPTP formula. May not be expressible in strict first order. | pictureList.kif 1470-1470 | |
| No TPTP formula. May not be expressible in strict first order. | Geography.kif 733-733 | Checkpoint is a subclass of geographic area |
| appearance as argument number 2 |
|
|
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 14256-14256 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 14255-14255 | |
| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 14254-14254 |
| antecedent |
|
|
| No TPTP formula. May not be expressible in strict first order. | Geography.kif 742-750 |
|
|
|
|