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Mirrors > Home > MPE Home > Th. List > Mathboxes > simplbi2comtVD | Structured version Visualization version GIF version |
Description: Virtual deduction proof of simplbi2comt 504.
The following User's Proof is a Virtual Deduction proof completed
automatically by the tools program completeusersproof.cmd, which invokes
Mel L. O'Cat's mmj2 and Norm Megill's Metamath Proof Assistant.
simplbi2comt 504 is simplbi2comtVD 41228 without virtual deductions and was
automatically derived from simplbi2comtVD 41228.
|
Ref | Expression |
---|---|
simplbi2comtVD | ⊢ ((𝜑 ↔ (𝜓 ∧ 𝜒)) → (𝜒 → (𝜓 → 𝜑))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | idn1 40914 | . . . . 5 ⊢ ( (𝜑 ↔ (𝜓 ∧ 𝜒)) ▶ (𝜑 ↔ (𝜓 ∧ 𝜒)) ) | |
2 | biimpr 222 | . . . . 5 ⊢ ((𝜑 ↔ (𝜓 ∧ 𝜒)) → ((𝜓 ∧ 𝜒) → 𝜑)) | |
3 | 1, 2 | e1a 40967 | . . . 4 ⊢ ( (𝜑 ↔ (𝜓 ∧ 𝜒)) ▶ ((𝜓 ∧ 𝜒) → 𝜑) ) |
4 | pm3.3 451 | . . . 4 ⊢ (((𝜓 ∧ 𝜒) → 𝜑) → (𝜓 → (𝜒 → 𝜑))) | |
5 | 3, 4 | e1a 40967 | . . 3 ⊢ ( (𝜑 ↔ (𝜓 ∧ 𝜒)) ▶ (𝜓 → (𝜒 → 𝜑)) ) |
6 | pm2.04 90 | . . 3 ⊢ ((𝜓 → (𝜒 → 𝜑)) → (𝜒 → (𝜓 → 𝜑))) | |
7 | 5, 6 | e1a 40967 | . 2 ⊢ ( (𝜑 ↔ (𝜓 ∧ 𝜒)) ▶ (𝜒 → (𝜓 → 𝜑)) ) |
8 | 7 | in1 40911 | 1 ⊢ ((𝜑 ↔ (𝜓 ∧ 𝜒)) → (𝜒 → (𝜓 → 𝜑))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 ∧ wa 398 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 209 df-an 399 df-vd1 40910 |
This theorem is referenced by: (None) |
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