Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > 3com13 | GIF version |
Description: Commutation in antecedent. Swap 1st and 3rd. (Contributed by NM, 28-Jan-1996.) |
Ref | Expression |
---|---|
3exp.1 | ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃) |
Ref | Expression |
---|---|
3com13 | ⊢ ((𝜒 ∧ 𝜓 ∧ 𝜑) → 𝜃) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3anrev 973 | . 2 ⊢ ((𝜒 ∧ 𝜓 ∧ 𝜑) ↔ (𝜑 ∧ 𝜓 ∧ 𝜒)) | |
2 | 3exp.1 | . 2 ⊢ ((𝜑 ∧ 𝜓 ∧ 𝜒) → 𝜃) | |
3 | 1, 2 | sylbi 120 | 1 ⊢ ((𝜒 ∧ 𝜓 ∧ 𝜑) → 𝜃) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ w3a 963 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 |
This theorem depends on definitions: df-bi 116 df-3an 965 |
This theorem is referenced by: 3coml 1192 3adant3l 1216 3adant3r 1217 syld3an1 1266 oaword1 6411 nnacan 6452 elmapg 6599 subadd 8061 xrltso 9685 iooshf 9838 dvdsmulc 11696 lcmdvdsb 11941 |
Copyright terms: Public domain | W3C validator |