Description: An exportation inference. (Contributed by Jeff Hankins, 7-Jul-2009)
| Ref | Expression | ||
|---|---|---|---|
| Hypothesis | exp510.1 | ⊢ ( ( 𝜑 ∧ ( ( ( 𝜓 ∧ 𝜒 ) ∧ 𝜃 ) ∧ 𝜏 ) ) → 𝜂 ) | |
| Assertion | exp510 | ⊢ ( 𝜑 → ( 𝜓 → ( 𝜒 → ( 𝜃 → ( 𝜏 → 𝜂 ) ) ) ) ) | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | exp510.1 | ⊢ ( ( 𝜑 ∧ ( ( ( 𝜓 ∧ 𝜒 ) ∧ 𝜃 ) ∧ 𝜏 ) ) → 𝜂 ) | |
| 2 | 1 | ex | ⊢ ( 𝜑 → ( ( ( ( 𝜓 ∧ 𝜒 ) ∧ 𝜃 ) ∧ 𝜏 ) → 𝜂 ) ) | 
| 3 | 2 | exp5j | ⊢ ( 𝜑 → ( 𝜓 → ( 𝜒 → ( 𝜃 → ( 𝜏 → 𝜂 ) ) ) ) ) |