| Mathbox for BJ |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > Mathboxes > bj-peano2 | Unicode version | ||
| Description: Constructive proof of peano2 4632. Temporary note: another possibility is to simply replace sucexg 4535 with bj-sucexg 15652 in the proof of peano2 4632. (Contributed by BJ, 18-Nov-2019.) (Proof modification is discouraged.) |
| Ref | Expression |
|---|---|
| bj-peano2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bj-omind 15664 |
. 2
| |
| 2 | bj-indsuc 15658 |
. 2
| |
| 3 | 1, 2 | ax-mp 5 |
1
|
| 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-in1 615 ax-in2 616 ax-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-13 2169 ax-14 2170 ax-ext 2178 ax-nul 4160 ax-pr 4243 ax-un 4469 ax-bd0 15543 ax-bdor 15546 ax-bdex 15549 ax-bdeq 15550 ax-bdel 15551 ax-bdsb 15552 ax-bdsep 15614 |
| This theorem depends on definitions: df-bi 117 df-tru 1367 df-nf 1475 df-sb 1777 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ral 2480 df-rex 2481 df-rab 2484 df-v 2765 df-dif 3159 df-un 3161 df-nul 3452 df-sn 3629 df-pr 3630 df-uni 3841 df-int 3876 df-suc 4407 df-iom 4628 df-bdc 15571 df-bj-ind 15657 |
| This theorem is referenced by: bj-nn0suc 15694 bj-nn0sucALT 15708 |
| Copyright terms: Public domain | W3C validator |