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Mirrors > Home > ILE Home > Th. List > ralsng | Unicode version |
Description: Substitution expressed in terms of quantification over a singleton. (Contributed by NM, 14-Dec-2005.) (Revised by Mario Carneiro, 23-Apr-2015.) |
Ref | Expression |
---|---|
ralsng.1 |
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Ref | Expression |
---|---|
ralsng |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ralsns 3632 |
. 2
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2 | ralsng.1 |
. . 3
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3 | 2 | sbcieg 2997 |
. 2
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4 | 1, 3 | bitrd 188 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-ext 2159 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-nf 1461 df-sb 1763 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ral 2460 df-v 2741 df-sbc 2965 df-sn 3600 |
This theorem is referenced by: ralsn 3637 ralprg 3645 raltpg 3647 ralunsn 3799 iinxsng 3962 posng 4700 fimax2gtrilemstep 6902 iseqf1olemqk 10496 seq3f1olemstep 10503 fimaxre2 11237 mgm1 12794 sgrp1 12821 mnd1 12852 grp1 12981 0subg 13064 ring1 13241 2sqlem10 14557 nninfsellemdc 14844 |
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