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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 1204 | . 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 |
| Syntax hints: → wi 4 ↔ wb 105 ∧ w3a 1005 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 |
| This theorem is referenced by: ixxss1 10259 ixxss2 10260 ixxss12 10261 ubioc1 10284 lbico1 10285 lbicc2 10339 ubicc2 10340 lincmble 10359 elicod 10651 modqelico 10723 zmodfz 10735 modqmuladdim 10756 addmodid 10761 phicl2 12939 4sqlem12 13128 isstruct2r 13310 issubmd 13732 mndissubm 13733 submid 13735 subsubm 13741 0subm 13742 mhmima 13749 mhmeql 13750 issubgrpd2 13946 grpissubg 13950 subgintm 13954 nmzsubg 13966 eqger 13980 eqgcpbl 13984 ghmrn 14013 ghmpreima 14022 unitsubm 14367 subrgsubm 14483 subrgugrp 14489 subrgintm 14492 islssmd 14636 lsssubg 14654 islss4 14659 issubrgd 14729 lidlsubg 14763 2idlcpblrng 14800 mplsubgfi 14985 lmtopcnp 15244 xmeter 15430 tgqioo 15549 suplociccreex 15618 dedekindicc 15627 ivthinclemlopn 15630 ivthinclemuopn 15632 sin0pilem2 15776 pilem3 15777 coseq0q4123 15828 uhgrissubgr 16385 egrsubgr 16387 uhgrspansubgr 16401 wlkres 16503 |
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