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Mirrors > Home > MPE Home > Th. List > iscss | Structured version Visualization version Unicode version |
Description: The predicate "is a closed subspace" (of a pre-Hilbert space). (Contributed by NM, 7-Oct-2011.) (Revised by Mario Carneiro, 13-Oct-2015.) |
Ref | Expression |
---|---|
cssval.o | |
cssval.c |
Ref | Expression |
---|---|
iscss |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cssval.o | . . . 4 | |
2 | cssval.c | . . . 4 | |
3 | 1, 2 | cssval 20026 | . . 3 |
4 | 3 | eleq2d 2687 | . 2 |
5 | id 22 | . . . 4 | |
6 | fvex 6201 | . . . 4 | |
7 | 5, 6 | syl6eqel 2709 | . . 3 |
8 | id 22 | . . . 4 | |
9 | fveq2 6191 | . . . . 5 | |
10 | 9 | fveq2d 6195 | . . . 4 |
11 | 8, 10 | eqeq12d 2637 | . . 3 |
12 | 7, 11 | elab3 3358 | . 2 |
13 | 4, 12 | syl6bb 276 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wceq 1483 wcel 1990 cab 2608 cvv 3200 cfv 5888 cocv 20004 ccss 20005 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-sbc 3436 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-mpt 4730 df-id 5024 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-fv 5896 df-ov 6653 df-ocv 20007 df-css 20008 |
This theorem is referenced by: cssi 20028 iscss2 20030 obslbs 20074 hlhillcs 37250 |
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