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Mirrors > Home > HSE Home > Th. List > hvsubf | Structured version Visualization version GIF version |
Description: Mapping domain and codomain of vector subtraction. (Contributed by NM, 6-Sep-2007.) (New usage is discouraged.) |
Ref | Expression |
---|---|
hvsubf | ⊢ −ℎ :( ℋ × ℋ)⟶ ℋ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | neg1cn 12017 | . . . . 5 ⊢ -1 ∈ ℂ | |
2 | hvmulcl 29276 | . . . . 5 ⊢ ((-1 ∈ ℂ ∧ 𝑦 ∈ ℋ) → (-1 ·ℎ 𝑦) ∈ ℋ) | |
3 | 1, 2 | mpan 686 | . . . 4 ⊢ (𝑦 ∈ ℋ → (-1 ·ℎ 𝑦) ∈ ℋ) |
4 | hvaddcl 29275 | . . . 4 ⊢ ((𝑥 ∈ ℋ ∧ (-1 ·ℎ 𝑦) ∈ ℋ) → (𝑥 +ℎ (-1 ·ℎ 𝑦)) ∈ ℋ) | |
5 | 3, 4 | sylan2 592 | . . 3 ⊢ ((𝑥 ∈ ℋ ∧ 𝑦 ∈ ℋ) → (𝑥 +ℎ (-1 ·ℎ 𝑦)) ∈ ℋ) |
6 | 5 | rgen2 3126 | . 2 ⊢ ∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (𝑥 +ℎ (-1 ·ℎ 𝑦)) ∈ ℋ |
7 | df-hvsub 29234 | . . 3 ⊢ −ℎ = (𝑥 ∈ ℋ, 𝑦 ∈ ℋ ↦ (𝑥 +ℎ (-1 ·ℎ 𝑦))) | |
8 | 7 | fmpo 7881 | . 2 ⊢ (∀𝑥 ∈ ℋ ∀𝑦 ∈ ℋ (𝑥 +ℎ (-1 ·ℎ 𝑦)) ∈ ℋ ↔ −ℎ :( ℋ × ℋ)⟶ ℋ) |
9 | 6, 8 | mpbi 229 | 1 ⊢ −ℎ :( ℋ × ℋ)⟶ ℋ |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 2108 ∀wral 3063 × cxp 5578 ⟶wf 6414 (class class class)co 7255 ℂcc 10800 1c1 10803 -cneg 11136 ℋchba 29182 +ℎ cva 29183 ·ℎ csm 29184 −ℎ cmv 29188 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-hfvadd 29263 ax-hfvmul 29268 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4837 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-id 5480 df-po 5494 df-so 5495 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-1st 7804 df-2nd 7805 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-pnf 10942 df-mnf 10943 df-ltxr 10945 df-sub 11137 df-neg 11138 df-hvsub 29234 |
This theorem is referenced by: (None) |
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