Hilbert Space Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > HSE Home > Th. List > pjmfn | Structured version Visualization version GIF version |
Description: Functionality of the projection function. (Contributed by NM, 24-Apr-2006.) (New usage is discouraged.) |
Ref | Expression |
---|---|
pjmfn | ⊢ projℎ Fn Cℋ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-hilex 29361 | . . 3 ⊢ ℋ ∈ V | |
2 | 1 | mptex 7099 | . 2 ⊢ (𝑥 ∈ ℋ ↦ (℩𝑧 ∈ ℎ ∃𝑦 ∈ (⊥‘ℎ)𝑥 = (𝑧 +ℎ 𝑦))) ∈ V |
3 | df-pjh 29757 | . 2 ⊢ projℎ = (ℎ ∈ Cℋ ↦ (𝑥 ∈ ℋ ↦ (℩𝑧 ∈ ℎ ∃𝑦 ∈ (⊥‘ℎ)𝑥 = (𝑧 +ℎ 𝑦)))) | |
4 | 2, 3 | fnmpti 6576 | 1 ⊢ projℎ Fn Cℋ |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1539 ∃wrex 3065 ↦ cmpt 5157 Fn wfn 6428 ‘cfv 6433 ℩crio 7231 (class class class)co 7275 ℋchba 29281 +ℎ cva 29282 Cℋ cch 29291 ⊥cort 29292 projℎcpjh 29299 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pr 5352 ax-hilex 29361 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-ral 3069 df-rex 3070 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-nul 4257 df-if 4460 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-id 5489 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-pjh 29757 |
This theorem is referenced by: pjmf1 30078 pjssdif1i 30537 dfpjop 30544 pjadj3 30550 pjcmul1i 30563 pjcmul2i 30564 |
Copyright terms: Public domain | W3C validator |