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| 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 10322 ixxss2 10323 ixxss12 10324 ubioc1 10347 lbico1 10348 lbicc2 10402 ubicc2 10403 lincmble 10422 elicod 10715 modqelico 10791 zmodfz 10803 modqmuladdim 10824 addmodid 10829 phicl2 13020 4sqlem12 13209 isstruct2r 13420 issubmd 13839 mndissubm 13840 submid 13842 subsubm 13848 0subm 13849 mhmima 13856 mhmeql 13857 issubgrpd2 14051 grpissubg 14055 subgintm 14059 nmzsubg 14071 eqger 14085 eqgcpbl 14089 ghmrn 14118 ghmpreima 14127 cntzsubm 14169 unitsubm 14534 subrgsubm 14650 subrgugrp 14656 subrgintm 14659 islssmd 14804 lsssubg 14822 islss4 14827 issubrgd 14897 lidlsubg 14931 2idlcpblrng 14968 mplsubgfi 15234 lmtopcnp 15493 xmeter 15679 tgqioo 15798 suplociccreex 15867 dedekindicc 15876 ivthinclemlopn 15879 ivthinclemuopn 15881 sin0pilem2 16026 pilem3 16027 coseq0q4123 16078 log2tlbndlog2 16237 uhgrissubgr 16724 egrsubgr 16726 uhgrspansubgr 16740 wlkres 16842 |
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