Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > mpbir3and | GIF version |
Description: Detach a conjunction of truths in a biconditional. (Contributed by Mario Carneiro, 11-May-2014.) |
Ref | Expression |
---|---|
mpbir3and.1 | ⊢ (𝜑 → 𝜒) |
mpbir3and.2 | ⊢ (𝜑 → 𝜃) |
mpbir3and.3 | ⊢ (𝜑 → 𝜏) |
mpbir3and.4 | ⊢ (𝜑 → (𝜓 ↔ (𝜒 ∧ 𝜃 ∧ 𝜏))) |
Ref | Expression |
---|---|
mpbir3and | ⊢ (𝜑 → 𝜓) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mpbir3and.1 | . . 3 ⊢ (𝜑 → 𝜒) | |
2 | mpbir3and.2 | . . 3 ⊢ (𝜑 → 𝜃) | |
3 | mpbir3and.3 | . . 3 ⊢ (𝜑 → 𝜏) | |
4 | 1, 2, 3 | 3jca 1161 | . 2 ⊢ (𝜑 → (𝜒 ∧ 𝜃 ∧ 𝜏)) |
5 | mpbir3and.4 | . 2 ⊢ (𝜑 → (𝜓 ↔ (𝜒 ∧ 𝜃 ∧ 𝜏))) | |
6 | 4, 5 | mpbird 166 | 1 ⊢ (𝜑 → 𝜓) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ↔ wb 104 ∧ w3a 962 |
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 964 |
This theorem is referenced by: ixxss1 9680 ixxss2 9681 ixxss12 9682 ubioc1 9705 lbico1 9706 lbicc2 9760 ubicc2 9761 modqelico 10100 zmodfz 10112 modqmuladdim 10133 addmodid 10138 phicl2 11879 isstruct2r 11959 lmtopcnp 12408 xmeter 12594 tgqioo 12705 suplociccreex 12760 dedekindicc 12769 ivthinclemlopn 12772 ivthinclemuopn 12774 sin0pilem2 12852 pilem3 12853 coseq0q4123 12904 |
Copyright terms: Public domain | W3C validator |