**Description:** Commutation in antecedent. Rotate left. (Contributed by NM, 28-Jan-1996)

Ref | Expression | ||
---|---|---|---|

Hypothesis | 3exp.1 | $${\u22a2}\left({\phi}\wedge {\psi}\wedge {\chi}\right)\to {\theta}$$ | |

Assertion | 3coml | $${\u22a2}\left({\psi}\wedge {\chi}\wedge {\phi}\right)\to {\theta}$$ |

Step | Hyp | Ref | Expression |
---|---|---|---|

1 | 3exp.1 | $${\u22a2}\left({\phi}\wedge {\psi}\wedge {\chi}\right)\to {\theta}$$ | |

2 | 1 | 3com23 | $${\u22a2}\left({\phi}\wedge {\chi}\wedge {\psi}\right)\to {\theta}$$ |

3 | 2 | 3com13 | $${\u22a2}\left({\psi}\wedge {\chi}\wedge {\phi}\right)\to {\theta}$$ |