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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 10308 ixxss2 10309 ixxss12 10310 ubioc1 10333 lbico1 10334 lbicc2 10388 ubicc2 10389 lincmble 10408 elicod 10701 modqelico 10773 zmodfz 10785 modqmuladdim 10806 addmodid 10811 phicl2 12994 4sqlem12 13183 isstruct2r 13365 issubmd 13783 mndissubm 13784 submid 13786 subsubm 13792 0subm 13793 mhmima 13800 mhmeql 13801 issubgrpd2 13995 grpissubg 13999 subgintm 14003 nmzsubg 14015 eqger 14029 eqgcpbl 14033 ghmrn 14062 ghmpreima 14071 unitsubm 14428 subrgsubm 14544 subrgugrp 14550 subrgintm 14553 islssmd 14698 lsssubg 14716 islss4 14721 issubrgd 14791 lidlsubg 14825 2idlcpblrng 14862 mplsubgfi 15094 lmtopcnp 15353 xmeter 15539 tgqioo 15658 suplociccreex 15727 dedekindicc 15736 ivthinclemlopn 15739 ivthinclemuopn 15741 sin0pilem2 15886 pilem3 15887 coseq0q4123 15938 log2tlbndlog2 16088 uhgrissubgr 16514 egrsubgr 16516 uhgrspansubgr 16530 wlkres 16632 |
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