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Mirrors > Home > ILE Home > Th. List > 2nn0 | Unicode version |
Description: 2 is a nonnegative integer. (Contributed by Raph Levien, 10-Dec-2002.) |
Ref | Expression |
---|---|
2nn0 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 2nn 8193 | . 2 | |
2 | 1 | nnnn0i 8296 | 1 |
Colors of variables: wff set class |
Syntax hints: wcel 1433 c2 8089 cn0 8288 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 ax-sep 3896 ax-cnex 7067 ax-resscn 7068 ax-1re 7070 ax-addrcl 7073 |
This theorem depends on definitions: df-bi 115 df-3an 921 df-tru 1287 df-nf 1390 df-sb 1686 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-ral 2353 df-rex 2354 df-v 2603 df-un 2977 df-in 2979 df-ss 2986 df-sn 3404 df-pr 3405 df-op 3407 df-uni 3602 df-int 3637 df-br 3786 df-iota 4887 df-fv 4930 df-ov 5535 df-inn 8040 df-2 8098 df-n0 8289 |
This theorem is referenced by: nn0n0n1ge2 8418 7p6e13 8554 8p3e11 8557 8p5e13 8559 9p3e12 8564 9p4e13 8565 4t3e12 8574 4t4e16 8575 5t3e15 8577 5t5e25 8579 6t3e18 8581 6t5e30 8583 7t3e21 8586 7t4e28 8587 7t5e35 8588 7t6e42 8589 7t7e49 8590 8t3e24 8592 8t4e32 8593 8t5e40 8594 9t3e27 8599 9t4e36 8600 9t8e72 8604 9t9e81 8605 decbin3 8618 2eluzge0 8663 nn01to3 8702 fzo0to42pr 9229 nn0sqcl 9503 sqmul 9538 resqcl 9543 zsqcl 9546 cu2 9573 i3 9576 i4 9577 binom3 9590 nn0opthlem1d 9647 fac3 9659 faclbnd2 9669 abssq 9967 sqabs 9968 oexpneg 10276 oddge22np1 10281 1kp2ke3k 10562 ex-fac 10565 |
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