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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 10317 ixxss2 10318 ixxss12 10319 ubioc1 10342 lbico1 10343 lbicc2 10397 ubicc2 10398 lincmble 10417 elicod 10710 modqelico 10786 zmodfz 10798 modqmuladdim 10819 addmodid 10824 phicl2 13015 4sqlem12 13204 isstruct2r 13415 issubmd 13834 mndissubm 13835 submid 13837 subsubm 13843 0subm 13844 mhmima 13851 mhmeql 13852 issubgrpd2 14046 grpissubg 14050 subgintm 14054 nmzsubg 14066 eqger 14080 eqgcpbl 14084 ghmrn 14113 ghmpreima 14122 cntzsubm 14164 unitsubm 14510 subrgsubm 14626 subrgugrp 14632 subrgintm 14635 islssmd 14780 lsssubg 14798 islss4 14803 issubrgd 14873 lidlsubg 14907 2idlcpblrng 14944 mplsubgfi 15183 lmtopcnp 15442 xmeter 15628 tgqioo 15747 suplociccreex 15816 dedekindicc 15825 ivthinclemlopn 15828 ivthinclemuopn 15830 sin0pilem2 15975 pilem3 15976 coseq0q4123 16027 log2tlbndlog2 16186 uhgrissubgr 16673 egrsubgr 16675 uhgrspansubgr 16689 wlkres 16791 |
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