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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 10233 ixxss2 10234 ixxss12 10235 ubioc1 10258 lbico1 10259 lbicc2 10313 ubicc2 10314 lincmble 10333 elicod 10620 modqelico 10692 zmodfz 10704 modqmuladdim 10725 addmodid 10730 phicl2 12904 4sqlem12 13093 isstruct2r 13212 issubmd 13676 mndissubm 13677 submid 13679 subsubm 13685 0subm 13686 mhmima 13693 mhmeql 13694 issubgrpd2 13896 grpissubg 13900 subgintm 13904 nmzsubg 13916 eqger 13930 eqgcpbl 13934 ghmrn 13963 ghmpreima 13972 unitsubm 14253 subrgsubm 14368 subrgugrp 14374 subrgintm 14377 islssmd 14494 lsssubg 14512 islss4 14517 issubrgd 14587 lidlsubg 14621 2idlcpblrng 14658 mplsubgfi 14843 lmtopcnp 15102 xmeter 15288 tgqioo 15407 suplociccreex 15476 dedekindicc 15485 ivthinclemlopn 15488 ivthinclemuopn 15490 sin0pilem2 15634 pilem3 15635 coseq0q4123 15686 uhgrissubgr 16243 egrsubgr 16245 uhgrspansubgr 16259 wlkres 16361 |
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