| appearance as argument number 2 |
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| No TPTP formula. May not be expressible in strict first order. | MilitaryProcesses.kif 2500-2500 | Ally is the opposite of enemy |
| No TPTP formula. May not be expressible in strict first order. | MilitaryProcesses.kif 3007-3007 | Ally is the opposite of enemy |
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