| Mathbox for Norm Megill |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > ldual1 | Structured version Visualization version GIF version | ||
| Description: The unit scalar of the dual of a vector space. (Contributed by NM, 26-Feb-2015.) |
| Ref | Expression |
|---|---|
| ldual1.r | ⊢ 𝑅 = (Scalar‘𝑊) |
| ldual1.u | ⊢ 1 = (1r‘𝑅) |
| ldual1.d | ⊢ 𝐷 = (LDual‘𝑊) |
| ldual1.s | ⊢ 𝑆 = (Scalar‘𝐷) |
| ldual1.i | ⊢ 𝐼 = (1r‘𝑆) |
| ldual1.w | ⊢ (𝜑 → 𝑊 ∈ LMod) |
| Ref | Expression |
|---|---|
| ldual1 | ⊢ (𝜑 → 𝐼 = 1 ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ldual1.r | . . . 4 ⊢ 𝑅 = (Scalar‘𝑊) | |
| 2 | eqid 2763 | . . . 4 ⊢ (oppr‘𝑅) = (oppr‘𝑅) | |
| 3 | ldual1.d | . . . 4 ⊢ 𝐷 = (LDual‘𝑊) | |
| 4 | ldual1.s | . . . 4 ⊢ 𝑆 = (Scalar‘𝐷) | |
| 5 | ldual1.w | . . . 4 ⊢ (𝜑 → 𝑊 ∈ LMod) | |
| 6 | 1, 2, 3, 4, 5 | ldualsca 40332 | . . 3 ⊢ (𝜑 → 𝑆 = (oppr‘𝑅)) |
| 7 | 6 | fveq2d 6900 | . 2 ⊢ (𝜑 → (1r‘𝑆) = (1r‘(oppr‘𝑅))) |
| 8 | ldual1.i | . 2 ⊢ 𝐼 = (1r‘𝑆) | |
| 9 | ldual1.u | . . 3 ⊢ 1 = (1r‘𝑅) | |
| 10 | 2, 9 | oppr1 20595 | . 2 ⊢ 1 = (1r‘(oppr‘𝑅)) |
| 11 | 7, 8, 10 | 3eqtr4g 2823 | 1 ⊢ (𝜑 → 𝐼 = 1 ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ∈ wcel 2146 ‘cfv 6547 Scalarcsca 17446 1rcur 20422 opprcoppr 20581 LModclmod 21150 LDualcld 40323 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2196 ax-12 2215 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7761 ax-cnex 11269 ax-resscn 11270 ax-1cn 11271 ax-icn 11272 ax-addcl 11273 ax-addrcl 11274 ax-mulcl 11275 ax-mulrcl 11276 ax-mulcom 11277 ax-addass 11278 ax-mulass 11279 ax-distr 11280 ax-i2m1 11281 ax-1ne0 11282 ax-1rid 11283 ax-rnegex 11284 ax-rrecex 11285 ax-cnre 11286 ax-pre-lttri 11287 ax-pre-lttrn 11288 ax-pre-ltadd 11289 ax-pre-mulgt0 11290 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2101 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6311 df-ord 6372 df-on 6373 df-lim 6374 df-suc 6375 df-iota 6501 df-fun 6549 df-fn 6550 df-f 6551 df-f1 6552 df-fo 6553 df-f1o 6554 df-fv 6555 df-riota 7387 df-ov 7433 df-oprab 7434 df-mpo 7435 df-of 7703 df-om 7888 df-1st 8011 df-2nd 8012 df-tpos 8257 df-frecs 8313 df-wrecs 8344 df-recs 8393 df-rdg 8432 df-1o 8490 df-er 8731 df-en 8988 df-dom 8989 df-sdom 8990 df-fin 8991 df-pnf 11358 df-mnf 11359 df-xr 11360 df-ltxr 11361 df-le 11362 df-sub 11556 df-neg 11557 df-nn 12349 df-2 12418 df-3 12419 df-4 12420 df-5 12421 df-6 12422 df-n0 12620 df-z 12707 df-uz 12979 df-fz 13653 df-struct 17340 df-sets 17357 df-slot 17375 df-ndx 17387 df-base 17403 df-plusg 17456 df-mulr 17457 df-sca 17459 df-vsca 17460 df-0g 17627 df-mgp 20376 df-ur 20423 df-oppr 20582 df-ldual 40324 |
| This theorem is used by: ldualvsubval 40357 |
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