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Mirrors > Home > MPE Home > Th. List > wfrfun | Structured version Visualization version Unicode version |
Description: The well-founded function generator generates a function. (Contributed by Scott Fenton, 21-Apr-2011.) (Revised by Mario Carneiro, 26-Jun-2015.) |
Ref | Expression |
---|---|
wfrfun.1 | |
wfrfun.2 | Se |
wfrfun.3 | wrecs |
Ref | Expression |
---|---|
wfrfun |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | wfrfun.3 | . . 3 wrecs | |
2 | 1 | wfrrel 7420 | . 2 |
3 | df-wrecs 7407 | . . . . . . . . . . 11 wrecs | |
4 | 1, 3 | eqtri 2644 | . . . . . . . . . 10 |
5 | 4 | eleq2i 2693 | . . . . . . . . 9 |
6 | eluni 4439 | . . . . . . . . 9 | |
7 | 5, 6 | bitri 264 | . . . . . . . 8 |
8 | df-br 4654 | . . . . . . . 8 | |
9 | df-br 4654 | . . . . . . . . . 10 | |
10 | 9 | anbi1i 731 | . . . . . . . . 9 |
11 | 10 | exbii 1774 | . . . . . . . 8 |
12 | 7, 8, 11 | 3bitr4i 292 | . . . . . . 7 |
13 | 4 | eleq2i 2693 | . . . . . . . . 9 |
14 | eluni 4439 | . . . . . . . . 9 | |
15 | 13, 14 | bitri 264 | . . . . . . . 8 |
16 | df-br 4654 | . . . . . . . 8 | |
17 | df-br 4654 | . . . . . . . . . 10 | |
18 | 17 | anbi1i 731 | . . . . . . . . 9 |
19 | 18 | exbii 1774 | . . . . . . . 8 |
20 | 15, 16, 19 | 3bitr4i 292 | . . . . . . 7 |
21 | 12, 20 | anbi12i 733 | . . . . . 6 |
22 | eeanv 2182 | . . . . . 6 | |
23 | 21, 22 | bitr4i 267 | . . . . 5 |
24 | wfrfun.1 | . . . . . . . . 9 | |
25 | wfrfun.2 | . . . . . . . . 9 Se | |
26 | eqid 2622 | . . . . . . . . 9 | |
27 | 24, 25, 26 | wfrlem5 7419 | . . . . . . . 8 |
28 | 27 | impcom 446 | . . . . . . 7 |
29 | 28 | an4s 869 | . . . . . 6 |
30 | 29 | exlimivv 1860 | . . . . 5 |
31 | 23, 30 | sylbi 207 | . . . 4 |
32 | 31 | ax-gen 1722 | . . 3 |
33 | 32 | gen2 1723 | . 2 |
34 | dffun2 5898 | . 2 | |
35 | 2, 33, 34 | mpbir2an 955 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 384 w3a 1037 wal 1481 wceq 1483 wex 1704 wcel 1990 cab 2608 wral 2912 wss 3574 cop 4183 cuni 4436 class class class wbr 4653 Se wse 5071 wwe 5072 cres 5116 wrel 5119 cpred 5679 wfun 5882 wfn 5883 cfv 5888 wrecscwrecs 7406 |
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 |
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-reu 2919 df-rmo 2920 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 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-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-id 5024 df-po 5035 df-so 5036 df-fr 5073 df-se 5074 df-we 5075 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-pred 5680 df-iota 5851 df-fun 5890 df-fn 5891 df-fv 5896 df-wrecs 7407 |
This theorem is referenced by: wfrlem12 7426 wfrlem13 7427 wfrlem17 7431 wfr1 7433 bpolylem 14779 |
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