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| Mirrors > Home > ILE Home > Th. List > 1nq | Unicode version | ||
| Description: The positive fraction 'one'. (Contributed by NM, 29-Oct-1995.) |
| Ref | Expression |
|---|---|
| 1nq |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1pi 7688 |
. . . 4
| |
| 2 | opelxpi 4808 |
. . . 4
| |
| 3 | 1, 1, 2 | mp2an 430 |
. . 3
|
| 4 | enqex 7733 |
. . . 4
| |
| 5 | 4 | ecelqsi 6867 |
. . 3
|
| 6 | 3, 5 | ax-mp 5 |
. 2
|
| 7 | df-1nqqs 7724 |
. 2
| |
| 8 | df-nqqs 7721 |
. 2
| |
| 9 | 6, 7, 8 | 3eltr4i 2320 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4251 ax-nul 4261 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-iinf 4737 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-v 2823 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-br 4132 df-opab 4194 df-suc 4518 df-iom 4740 df-xp 4782 df-cnv 4784 df-dm 4786 df-rn 4787 df-res 4788 df-ima 4789 df-1o 6691 df-ec 6813 df-qs 6817 df-ni 7677 df-enq 7720 df-nqqs 7721 df-1nqqs 7724 |
| This theorem is used by: recmulnqg 7764 rec1nq 7768 ltaddnq 7780 halfnqq 7783 addnqprllem 7900 addnqprulem 7901 1pr 7927 addnqpr1 7935 appdivnq 7936 1idprl 7963 1idpru 7964 recexprlemm 7997 recexprlem1ssl 8006 recexprlem1ssu 8007 cauappcvgprlemm 8018 caucvgprlemm 8041 caucvgprprlemmu 8068 suplocexprlemmu 8091 |
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