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| Description: The positive fraction 'one'. |
| Ref | Expression |
|---|---|
| 1q |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1pi 4991 |
. . . 4
| |
| 2 | opelxpi 3212 |
. . . 4
| |
| 3 | 1, 1, 2 | mp2an 696 |
. . 3
|
| 4 | enqex 5028 |
. . . 4
| |
| 5 | 4 | ecelqsi 4282 |
. . 3
|
| 6 | 3, 5 | ax-mp 7 |
. 2
|
| 7 | df-1q 5023 |
. . 3
| |
| 8 | df-nq 5018 |
. . 3
| |
| 9 | 7, 8 | eleq12i 1536 |
. 2
|
| 10 | 6, 9 | mpbir 190 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: recmulpq 5050 recclpq 5052 ltaddpq 5059 ltrpq 5065 1pr 5097 addclprlem1 5098 1idpr 5113 prlem934a 5117 prlem936 5135 reclem3pr 5138 reclem4pr 5139 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 960 ax-gen 961 ax-8 962 ax-9 963 ax-10 964 ax-11 965 ax-12 966 ax-13 967 ax-14 968 ax-17 969 ax-4 971 ax-5o 973 ax-6o 976 ax-9o 1121 ax-10o 1138 ax-16 1208 ax-11o 1216 ax-ext 1457 ax-sep 2698 ax-nul 2705 ax-pow 2737 ax-pr 2774 ax-un 2861 ax-inf2 4605 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 775 df-3an 776 df-ex 979 df-sb 1170 df-eu 1380 df-mo 1381 df-clab 1462 df-cleq 1467 df-clel 1470 df-ne 1584 df-ral 1646 df-rex 1647 df-v 1808 df-dif 2045 df-un 2046 df-in 2047 df-ss 2049 df-nul 2277 df-if 2358 df-pw 2398 df-sn 2408 df-pr 2409 df-tp 2411 df-op 2412 df-uni 2499 df-br 2615 df-opab 2662 df-tr 2676 df-eprel 2827 df-po 2835 df-so 2845 df-fr 2912 df-we 2929 df-ord 2946 df-on 2947 df-lim 2948 df-suc 2949 df-om 3127 df-xp 3179 df-rel 3180 df-cnv 3181 df-dm 3183 df-rn 3184 df-res 3185 df-ima 3186 df-1o 4123 df-ec 4253 df-qs 4256 df-ni 4980 df-enq 5017 df-nq 5018 df-1q 5023 |