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Mirrors > Home > MPE Home > Th. List > ispnrm | Structured version Visualization version Unicode version |
Description: The property of being perfectly normal. (Contributed by Mario Carneiro, 26-Aug-2015.) |
Ref | Expression |
---|---|
ispnrm | PNrm |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fveq2 6191 | . . 3 | |
2 | oveq1 6657 | . . . . 5 | |
3 | 2 | mpteq1d 4738 | . . . 4 |
4 | 3 | rneqd 5353 | . . 3 |
5 | 1, 4 | sseq12d 3634 | . 2 |
6 | df-pnrm 21123 | . 2 PNrm | |
7 | 5, 6 | elrab2 3366 | 1 PNrm |
Colors of variables: wff setvar class |
Syntax hints: wb 196 wa 384 wceq 1483 wcel 1990 wss 3574 cint 4475 cmpt 4729 crn 5115 cfv 5888 (class class class)co 6650 cmap 7857 cn 11020 ccld 20820 cnrm 21114 PNrmcpnrm 21116 |
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-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
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-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-mpt 4730 df-cnv 5122 df-dm 5124 df-rn 5125 df-iota 5851 df-fv 5896 df-ov 6653 df-pnrm 21123 |
This theorem is referenced by: pnrmnrm 21144 pnrmcld 21146 |
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