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Mirrors > Home > ILE Home > Th. List > 9nn0 | Unicode version |
Description: 9 is a nonnegative integer. (Contributed by Mario Carneiro, 19-Apr-2015.) |
Ref | Expression |
---|---|
9nn0 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 9nn 9153 |
. 2
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2 | 1 | nnnn0i 9251 |
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 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-ext 2175 ax-sep 4148 ax-cnex 7965 ax-resscn 7966 ax-1re 7968 ax-addrcl 7971 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ral 2477 df-rex 2478 df-v 2762 df-un 3158 df-in 3160 df-ss 3167 df-sn 3625 df-pr 3626 df-op 3628 df-uni 3837 df-int 3872 df-br 4031 df-iota 5216 df-fv 5263 df-ov 5922 df-inn 8985 df-2 9043 df-3 9044 df-4 9045 df-5 9046 df-6 9047 df-7 9048 df-8 9049 df-9 9050 df-n0 9244 |
This theorem is referenced by: deccl 9465 le9lt10 9477 decsucc 9491 9p2e11 9537 9p3e12 9538 9p4e13 9539 9p5e14 9540 9p6e15 9541 9p7e16 9542 9p8e17 9543 9p9e18 9544 9t3e27 9573 9t4e36 9574 9t5e45 9575 9t6e54 9576 9t7e63 9577 9t8e72 9578 9t9e81 9579 sq10e99m1 10787 3dvds2dec 12010 dsndxntsetndx 12840 unifndxntsetndx 12847 setsmsdsg 14659 |
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