| 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 1208 | . 2 ⊢ (𝜑 → (𝜒 ∧ 𝜃 ∧ 𝜏)) |
| 5 | mpbir3and.4 | . 2 ⊢ (𝜑 → (𝜓 ↔ (𝜒 ∧ 𝜃 ∧ 𝜏))) | |
| 6 | 4, 5 | mpbird 167 | 1 ⊢ (𝜑 → 𝜓) |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 105 ∧ w3a 1009 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This proof depends on definitions: df-bi 117 df-3an 1011 |
| This theorem is used by: ixxss1 10324 ixxss2 10325 ixxss12 10326 ubioc1 10349 lbico1 10350 lbicc2 10404 ubicc2 10405 lincmble 10424 elicod 10717 modqelico 10793 zmodfz 10805 modqmuladdim 10826 addmodid 10831 phicl2 13022 4sqlem12 13211 isstruct2r 13422 issubmd 13841 mndissubm 13842 submid 13844 subsubm 13850 0subm 13851 mhmima 13858 mhmeql 13859 issubgrpd2 14053 grpissubg 14057 subgintm 14061 nmzsubg 14073 eqger 14087 eqgcpbl 14091 ghmrn 14120 ghmpreima 14129 cntzsubm 14171 unitsubm 14536 subrgsubm 14652 subrgugrp 14658 subrgintm 14661 islssmd 14806 lsssubg 14824 islss4 14829 issubrgd 14899 lidlsubg 14933 2idlcpblrng 14970 mplsubgfi 15229 lmtopcnp 15488 xmeter 15674 tgqioo 15793 suplociccreex 15862 dedekindicc 15871 ivthinclemlopn 15874 ivthinclemuopn 15876 sin0pilem2 16021 pilem3 16022 coseq0q4123 16073 log2tlbndlog2 16232 uhgrissubgr 16719 egrsubgr 16721 uhgrspansubgr 16735 wlkres 16837 |
| Copyright terms: Public domain | W3C validator |