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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 10243 ixxss2 10244 ixxss12 10245 ubioc1 10268 lbico1 10269 lbicc2 10323 ubicc2 10324 lincmble 10343 elicod 10631 modqelico 10703 zmodfz 10715 modqmuladdim 10736 addmodid 10741 phicl2 12919 4sqlem12 13108 isstruct2r 13244 issubmd 13708 mndissubm 13709 submid 13711 subsubm 13717 0subm 13718 mhmima 13725 mhmeql 13726 issubgrpd2 13928 grpissubg 13932 subgintm 13936 nmzsubg 13948 eqger 13962 eqgcpbl 13966 ghmrn 13995 ghmpreima 14004 unitsubm 14286 subrgsubm 14402 subrgugrp 14408 subrgintm 14411 islssmd 14556 lsssubg 14574 islss4 14579 issubrgd 14649 lidlsubg 14683 2idlcpblrng 14720 mplsubgfi 14905 lmtopcnp 15164 xmeter 15350 tgqioo 15469 suplociccreex 15538 dedekindicc 15547 ivthinclemlopn 15550 ivthinclemuopn 15552 sin0pilem2 15696 pilem3 15697 coseq0q4123 15748 uhgrissubgr 16305 egrsubgr 16307 uhgrspansubgr 16321 wlkres 16423 |
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