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| Mirrors > Home > HSE Home > Th. List > bra0 | Structured version Visualization version GIF version | ||
| Description: The Dirac bra of the zero vector. (Contributed by NM, 25-May-2006.) (Revised by Mario Carneiro, 23-Aug-2014.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| bra0 | ⊢ (bra‘0ℎ) = ( ℋ × {0}) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-hv0cl 30975 | . . 3 ⊢ 0ℎ ∈ ℋ | |
| 2 | brafval 31915 | . . . 4 ⊢ (0ℎ ∈ ℋ → (bra‘0ℎ) = (𝑥 ∈ ℋ ↦ (𝑥 ·ih 0ℎ))) | |
| 3 | hi02 31069 | . . . . 5 ⊢ (𝑥 ∈ ℋ → (𝑥 ·ih 0ℎ) = 0) | |
| 4 | 3 | mpteq2ia 5181 | . . . 4 ⊢ (𝑥 ∈ ℋ ↦ (𝑥 ·ih 0ℎ)) = (𝑥 ∈ ℋ ↦ 0) |
| 5 | 2, 4 | eqtrdi 2782 | . . 3 ⊢ (0ℎ ∈ ℋ → (bra‘0ℎ) = (𝑥 ∈ ℋ ↦ 0)) |
| 6 | 1, 5 | ax-mp 5 | . 2 ⊢ (bra‘0ℎ) = (𝑥 ∈ ℋ ↦ 0) |
| 7 | fconstmpt 5673 | . 2 ⊢ ( ℋ × {0}) = (𝑥 ∈ ℋ ↦ 0) | |
| 8 | 6, 7 | eqtr4i 2757 | 1 ⊢ (bra‘0ℎ) = ( ℋ × {0}) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 ∈ wcel 2111 {csn 4571 ↦ cmpt 5167 × cxp 5609 ‘cfv 6476 (class class class)co 7341 0cc0 11001 ℋchba 30891 ·ih csp 30894 0ℎc0v 30896 bracbr 30928 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-rep 5212 ax-sep 5229 ax-nul 5239 ax-pow 5298 ax-pr 5365 ax-un 7663 ax-resscn 11058 ax-1cn 11059 ax-icn 11060 ax-addcl 11061 ax-addrcl 11062 ax-mulcl 11063 ax-mulrcl 11064 ax-mulcom 11065 ax-addass 11066 ax-mulass 11067 ax-distr 11068 ax-i2m1 11069 ax-1ne0 11070 ax-1rid 11071 ax-rnegex 11072 ax-rrecex 11073 ax-cnre 11074 ax-pre-lttri 11075 ax-pre-lttrn 11076 ax-pre-ltadd 11077 ax-pre-mulgt0 11078 ax-hilex 30971 ax-hv0cl 30975 ax-hvmul0 30982 ax-hfi 31051 ax-his1 31054 ax-his3 31056 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-nel 3033 df-ral 3048 df-rex 3057 df-rmo 3346 df-reu 3347 df-rab 3396 df-v 3438 df-sbc 3737 df-csb 3846 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-pss 3917 df-nul 4279 df-if 4471 df-pw 4547 df-sn 4572 df-pr 4574 df-op 4578 df-uni 4855 df-iun 4938 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5506 df-eprel 5511 df-po 5519 df-so 5520 df-fr 5564 df-we 5566 df-xp 5617 df-rel 5618 df-cnv 5619 df-co 5620 df-dm 5621 df-rn 5622 df-res 5623 df-ima 5624 df-pred 6243 df-ord 6304 df-on 6305 df-lim 6306 df-suc 6307 df-iota 6432 df-fun 6478 df-fn 6479 df-f 6480 df-f1 6481 df-fo 6482 df-f1o 6483 df-fv 6484 df-riota 7298 df-ov 7344 df-oprab 7345 df-mpo 7346 df-om 7792 df-2nd 7917 df-frecs 8206 df-wrecs 8237 df-recs 8286 df-rdg 8324 df-er 8617 df-en 8865 df-dom 8866 df-sdom 8867 df-pnf 11143 df-mnf 11144 df-xr 11145 df-ltxr 11146 df-le 11147 df-sub 11341 df-neg 11342 df-div 11770 df-nn 12121 df-2 12183 df-cj 15001 df-re 15002 df-im 15003 df-bra 31822 |
| This theorem is referenced by: branmfn 32077 |
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