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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 10306 ixxss2 10307 ixxss12 10308 ubioc1 10331 lbico1 10332 lbicc2 10386 ubicc2 10387 lincmble 10406 elicod 10699 modqelico 10771 zmodfz 10783 modqmuladdim 10804 addmodid 10809 phicl2 12992 4sqlem12 13181 isstruct2r 13363 issubmd 13781 mndissubm 13782 submid 13784 subsubm 13790 0subm 13791 mhmima 13798 mhmeql 13799 issubgrpd2 13993 grpissubg 13997 subgintm 14001 nmzsubg 14013 eqger 14027 eqgcpbl 14031 ghmrn 14060 ghmpreima 14069 unitsubm 14426 subrgsubm 14542 subrgugrp 14548 subrgintm 14551 islssmd 14696 lsssubg 14714 islss4 14719 issubrgd 14789 lidlsubg 14823 2idlcpblrng 14860 mplsubgfi 15092 lmtopcnp 15351 xmeter 15537 tgqioo 15656 suplociccreex 15725 dedekindicc 15734 ivthinclemlopn 15737 ivthinclemuopn 15739 sin0pilem2 15883 pilem3 15884 coseq0q4123 15935 log2tlbndlog2 16082 uhgrissubgr 16502 egrsubgr 16504 uhgrspansubgr 16518 wlkres 16620 |
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