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Mirrors > Home > MPE Home > Th. List > axrepndlem1 | Structured version Visualization version Unicode version |
Description: Lemma for the Axiom of Replacement with no distinct variable conditions. (Contributed by NM, 2-Jan-2002.) |
Ref | Expression |
---|---|
axrepndlem1 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | axrep2 4773 | . 2 | |
2 | nfnae 2318 | . . 3 | |
3 | nfnae 2318 | . . . . 5 | |
4 | nfnae 2318 | . . . . . 6 | |
5 | nfs1v 2437 | . . . . . . . 8 | |
6 | 5 | a1i 11 | . . . . . . 7 |
7 | nfcvd 2765 | . . . . . . . 8 | |
8 | nfcvf2 2789 | . . . . . . . 8 | |
9 | 7, 8 | nfeqd 2772 | . . . . . . 7 |
10 | 6, 9 | nfimd 1823 | . . . . . 6 |
11 | sbequ12r 2112 | . . . . . . . 8 | |
12 | equequ1 1952 | . . . . . . . 8 | |
13 | 11, 12 | imbi12d 334 | . . . . . . 7 |
14 | 13 | a1i 11 | . . . . . 6 |
15 | 4, 10, 14 | cbvald 2277 | . . . . 5 |
16 | 3, 15 | exbid 2091 | . . . 4 |
17 | nfvd 1844 | . . . . . 6 | |
18 | 8 | nfcrd 2771 | . . . . . . . 8 |
19 | 3, 6 | nfald 2165 | . . . . . . . 8 |
20 | 18, 19 | nfand 1826 | . . . . . . 7 |
21 | 2, 20 | nfexd 2167 | . . . . . 6 |
22 | 17, 21 | nfbid 1832 | . . . . 5 |
23 | elequ1 1997 | . . . . . . . 8 | |
24 | 23 | adantl 482 | . . . . . . 7 |
25 | nfeqf2 2297 | . . . . . . . . . . 11 | |
26 | 3, 25 | nfan1 2068 | . . . . . . . . . 10 |
27 | 11 | adantl 482 | . . . . . . . . . 10 |
28 | 26, 27 | albid 2090 | . . . . . . . . 9 |
29 | 28 | anbi2d 740 | . . . . . . . 8 |
30 | 29 | exbidv 1850 | . . . . . . 7 |
31 | 24, 30 | bibi12d 335 | . . . . . 6 |
32 | 31 | ex 450 | . . . . 5 |
33 | 4, 22, 32 | cbvald 2277 | . . . 4 |
34 | 16, 33 | imbi12d 334 | . . 3 |
35 | 2, 34 | exbid 2091 | . 2 |
36 | 1, 35 | mpbii 223 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wb 196 wa 384 wal 1481 wex 1704 wnf 1708 wsb 1880 |
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-rep 4771 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-cleq 2615 df-clel 2618 df-nfc 2753 |
This theorem is referenced by: axrepndlem2 9415 |
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