| No TPTP formula. May not be expressible in strict first order. | engineering.kif 1197-1197 | Engineers subprocess is a subclass of intentional process |
| No TPTP formula. May not be expressible in strict first order. | engineering.kif 1201-1201 | Engineers process is a subclass of engineers subprocess |
| No TPTP formula. May not be expressible in strict first order. | engineering.kif 1220-1220 | System specification is a subclass of engineers subprocess |
| No TPTP formula. May not be expressible in strict first order. | engineering.kif 1225-1225 | System design is a subclass of engineers subprocess |
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