| 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 31610 | . . 3 ⊢ ℋ ∈ V | |
| 2 | 1 | mptex 7233 | . 2 ⊢ (𝑥 ∈ ℋ ↦ (℩𝑧 ∈ ℎ ∃𝑦 ∈ (⊥‘ℎ)𝑥 = (𝑧 +ℎ 𝑦))) ∈ V |
| 3 | df-pjh 32006 | . 2 ⊢ projℎ = (ℎ ∈ Cℋ ↦ (𝑥 ∈ ℋ ↦ (℩𝑧 ∈ ℎ ∃𝑦 ∈ (⊥‘ℎ)𝑥 = (𝑧 +ℎ 𝑦)))) | |
| 4 | 2, 3 | fnmpti 6687 | 1 ⊢ projℎ Fn Cℋ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1569 ∃wrex 3086 ↦ cmpt 5185 Fn wfn 6538 ‘cfv 6543 ℩crio 7380 (class class class)co 7424 ℋchba 31530 +ℎ cva 31531 Cℋ cch 31540 ⊥cort 31541 projℎcpjh 31548 |
| 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 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pr 5391 ax-hilex 31610 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3848 df-ss 3897 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6497 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-pjh 32006 |
| This theorem is used by: pjmf1 32327 pjssdif1i 32786 dfpjop 32793 pjadj3 32799 pjcmul1i 32812 pjcmul2i 32813 |
| Copyright terms: Public domain | W3C validator |