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| Mirrors > Home > MPE Home > Th. List > Mathboxes > islshpkrN | Structured version Visualization version GIF version | ||
| Description: The predicate "is a hyperplane" (of a left module or left vector space). TODO: should it be 𝑈 = (𝐾‘𝑔) or (𝐾‘𝑔) = 𝑈 as in lshpkrex 39993? Both standards seem to be used randomly throughout set.mm; we should decide on a preferred one. (Contributed by NM, 7-Oct-2014.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| lshpset2.v | ⊢ 𝑉 = (Base‘𝑊) |
| lshpset2.d | ⊢ 𝐷 = (Scalar‘𝑊) |
| lshpset2.z | ⊢ 0 = (0g‘𝐷) |
| lshpset2.h | ⊢ 𝐻 = (LSHyp‘𝑊) |
| lshpset2.f | ⊢ 𝐹 = (LFnl‘𝑊) |
| lshpset2.k | ⊢ 𝐾 = (LKer‘𝑊) |
| Ref | Expression |
|---|---|
| islshpkrN | ⊢ (𝑊 ∈ LVec → (𝑈 ∈ 𝐻 ↔ ∃𝑔 ∈ 𝐹 (𝑔 ≠ (𝑉 × { 0 }) ∧ 𝑈 = (𝐾‘𝑔)))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lshpset2.v | . . . 4 ⊢ 𝑉 = (Base‘𝑊) | |
| 2 | lshpset2.d | . . . 4 ⊢ 𝐷 = (Scalar‘𝑊) | |
| 3 | lshpset2.z | . . . 4 ⊢ 0 = (0g‘𝐷) | |
| 4 | lshpset2.h | . . . 4 ⊢ 𝐻 = (LSHyp‘𝑊) | |
| 5 | lshpset2.f | . . . 4 ⊢ 𝐹 = (LFnl‘𝑊) | |
| 6 | lshpset2.k | . . . 4 ⊢ 𝐾 = (LKer‘𝑊) | |
| 7 | 1, 2, 3, 4, 5, 6 | lshpset2N 39994 | . . 3 ⊢ (𝑊 ∈ LVec → 𝐻 = {𝑠 ∣ ∃𝑔 ∈ 𝐹 (𝑔 ≠ (𝑉 × { 0 }) ∧ 𝑠 = (𝐾‘𝑔))}) |
| 8 | 7 | eleq2d 2848 | . 2 ⊢ (𝑊 ∈ LVec → (𝑈 ∈ 𝐻 ↔ 𝑈 ∈ {𝑠 ∣ ∃𝑔 ∈ 𝐹 (𝑔 ≠ (𝑉 × { 0 }) ∧ 𝑠 = (𝐾‘𝑔))})) |
| 9 | elex 3474 | . . . 4 ⊢ (𝑈 ∈ {𝑠 ∣ ∃𝑔 ∈ 𝐹 (𝑔 ≠ (𝑉 × { 0 }) ∧ 𝑠 = (𝐾‘𝑔))} → 𝑈 ∈ V) | |
| 10 | 9 | adantl 487 | . . 3 ⊢ ((𝑊 ∈ LVec ∧ 𝑈 ∈ {𝑠 ∣ ∃𝑔 ∈ 𝐹 (𝑔 ≠ (𝑉 × { 0 }) ∧ 𝑠 = (𝐾‘𝑔))}) → 𝑈 ∈ V) |
| 11 | fvex 6895 | . . . . . . 7 ⊢ (𝐾‘𝑔) ∈ V | |
| 12 | eleq1 2850 | . . . . . . 7 ⊢ (𝑈 = (𝐾‘𝑔) → (𝑈 ∈ V ↔ (𝐾‘𝑔) ∈ V)) | |
| 13 | 11, 12 | mpbiri 261 | . . . . . 6 ⊢ (𝑈 = (𝐾‘𝑔) → 𝑈 ∈ V) |
| 14 | 13 | adantl 487 | . . . . 5 ⊢ ((𝑔 ≠ (𝑉 × { 0 }) ∧ 𝑈 = (𝐾‘𝑔)) → 𝑈 ∈ V) |
| 15 | 14 | rexlimivw 3161 | . . . 4 ⊢ (∃𝑔 ∈ 𝐹 (𝑔 ≠ (𝑉 × { 0 }) ∧ 𝑈 = (𝐾‘𝑔)) → 𝑈 ∈ V) |
| 16 | 15 | adantl 487 | . . 3 ⊢ ((𝑊 ∈ LVec ∧ ∃𝑔 ∈ 𝐹 (𝑔 ≠ (𝑉 × { 0 }) ∧ 𝑈 = (𝐾‘𝑔))) → 𝑈 ∈ V) |
| 17 | eqeq1 2766 | . . . . . 6 ⊢ (𝑠 = 𝑈 → (𝑠 = (𝐾‘𝑔) ↔ 𝑈 = (𝐾‘𝑔))) | |
| 18 | 17 | anbi2d 642 | . . . . 5 ⊢ (𝑠 = 𝑈 → ((𝑔 ≠ (𝑉 × { 0 }) ∧ 𝑠 = (𝐾‘𝑔)) ↔ (𝑔 ≠ (𝑉 × { 0 }) ∧ 𝑈 = (𝐾‘𝑔)))) |
| 19 | 18 | rexbidv 3188 | . . . 4 ⊢ (𝑠 = 𝑈 → (∃𝑔 ∈ 𝐹 (𝑔 ≠ (𝑉 × { 0 }) ∧ 𝑠 = (𝐾‘𝑔)) ↔ ∃𝑔 ∈ 𝐹 (𝑔 ≠ (𝑉 × { 0 }) ∧ 𝑈 = (𝐾‘𝑔)))) |
| 20 | 19 | elabg 3633 | . . 3 ⊢ (𝑈 ∈ V → (𝑈 ∈ {𝑠 ∣ ∃𝑔 ∈ 𝐹 (𝑔 ≠ (𝑉 × { 0 }) ∧ 𝑠 = (𝐾‘𝑔))} ↔ ∃𝑔 ∈ 𝐹 (𝑔 ≠ (𝑉 × { 0 }) ∧ 𝑈 = (𝐾‘𝑔)))) |
| 21 | 10, 16, 20 | pm5.21nd 814 | . 2 ⊢ (𝑊 ∈ LVec → (𝑈 ∈ {𝑠 ∣ ∃𝑔 ∈ 𝐹 (𝑔 ≠ (𝑉 × { 0 }) ∧ 𝑠 = (𝐾‘𝑔))} ↔ ∃𝑔 ∈ 𝐹 (𝑔 ≠ (𝑉 × { 0 }) ∧ 𝑈 = (𝐾‘𝑔)))) |
| 22 | 8, 21 | bitrd 282 | 1 ⊢ (𝑊 ∈ LVec → (𝑈 ∈ 𝐻 ↔ ∃𝑔 ∈ 𝐹 (𝑔 ≠ (𝑉 × { 0 }) ∧ 𝑈 = (𝐾‘𝑔)))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∧ wa 401 = wceq 1570 ∈ wcel 2145 {cab 2740 ≠ wne 2957 ∃wrex 3088 Vcvv 3453 {csn 4587 × cxp 5657 ‘cfv 6537 Basecbs 17305 Scalarcsca 17349 0gc0g 17528 LVecclvec 21290 LSHypclsh 39850 LFnlclfn 39932 LKerclk 39960 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-rep 5236 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7739 ax-cnex 11183 ax-resscn 11184 ax-1cn 11185 ax-icn 11186 ax-addcl 11187 ax-addrcl 11188 ax-mulcl 11189 ax-mulrcl 11190 ax-mulcom 11191 ax-addass 11192 ax-mulass 11193 ax-distr 11194 ax-i2m1 11195 ax-1ne0 11196 ax-1rid 11197 ax-rnegex 11198 ax-rrecex 11199 ax-cnre 11200 ax-pre-lttri 11201 ax-pre-lttrn 11202 ax-pre-ltadd 11203 ax-pre-mulgt0 11204 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-int 4911 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7373 df-ov 7419 df-oprab 7420 df-mpo 7421 df-om 7866 df-1st 7989 df-2nd 7990 df-tpos 8227 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 df-er 8699 df-map 8831 df-en 8956 df-dom 8957 df-sdom 8958 df-pnf 11272 df-mnf 11273 df-xr 11274 df-ltxr 11275 df-le 11276 df-sub 11470 df-neg 11471 df-nn 12261 df-2 12330 df-3 12331 df-sets 17260 df-slot 17278 df-ndx 17290 df-base 17306 df-ress 17327 df-plusg 17359 df-mulr 17360 df-0g 17530 df-mgm 18734 df-sgrp 18825 df-mnd 18841 df-submnd 18896 df-grp 19064 df-minusg 19065 df-sbg 19066 df-subg 19250 df-cntz 19448 df-lsm 19767 df-cmn 19913 df-abl 19914 df-mgp 20278 df-rng 20292 df-ur 20325 df-ring 20378 df-oppr 20482 df-dvdsr 20502 df-unit 20503 df-invr 20533 df-drng 20896 df-lmod 21050 df-lss 21120 df-lsp 21160 df-lvec 21291 df-lshyp 39852 df-lfl 39933 df-lkr 39961 |
| This theorem is used by: (None) |
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