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Mirrors > Home > MPE Home > Th. List > npex | Structured version Visualization version Unicode version |
Description: The class of positive reals is a set. (Contributed by NM, 31-Oct-1995.) (New usage is discouraged.) |
Ref | Expression |
---|---|
npex |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nqex 9745 | . . 3 | |
2 | 1 | pwex 4848 | . 2 |
3 | pssss 3702 | . . . . 5 | |
4 | 3 | ad2antlr 763 | . . . 4 |
5 | 4 | ss2abi 3674 | . . 3 |
6 | df-np 9803 | . . 3 | |
7 | df-pw 4160 | . . 3 | |
8 | 5, 6, 7 | 3sstr4i 3644 | . 2 |
9 | 2, 8 | ssexi 4803 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 384 wal 1481 wcel 1990 cab 2608 wral 2912 wrex 2913 cvv 3200 wss 3574 wpss 3575 c0 3915 cpw 4158 class class class wbr 4653 cnq 9674 cltq 9680 cnp 9681 |
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 ax-inf2 8538 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 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-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-tr 4753 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-we 5075 df-xp 5120 df-rel 5121 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-om 7066 df-ni 9694 df-nq 9734 df-np 9803 |
This theorem is referenced by: enrex 9888 axcnex 9968 |
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