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| Description: Define 'less than or equal to'. See df-le1 122 for the other direction. |
| Ref | Expression |
|---|---|
| df-le2.1 |
|
| Ref | Expression |
|---|---|
| df-le2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | wva |
. . 3
| |
| 2 | wvb |
. . 3
| |
| 3 | 1, 2 | wo 6 |
. 2
|
| 4 | 3, 2 | wb 1 |
1
|
| Colors of variables: term |
| This definition is referenced by: df2le2 128 letr 129 bltr 130 lebi 137 ler 141 leror 144 lecon 146 wwoml2 204 sklem 222 nom13 302 nom14 303 nom15 304 wr5 413 oml2 433 gsth 471 cmtr1com 475 i0cmtrcom 477 df2i3 480 oi3ai3 485 i3con 533 i3orlem6 539 ud3lem1c 550 ud3lem3 558 ud4lem1c 561 ud4lem1 563 ud4lem3b 566 ud5lem1 571 u3lemoa 604 u2lemona 608 u3lemona 609 u4lemona 610 u5lemona 611 u1lemob 612 u3lemob 614 u4lemob 615 u5lemob 616 u3lemonb 619 u4lemonb 620 u5lemonb 621 u4lem1 719 u4lem2 729 u4lem5 746 u4lem6 750 u24lem 752 u3lem13a 771 u3lem13b 772 biao 781 test 784 test2 785 3vth3 788 3vth6 791 orbi 824 elimconslem 849 elimcons 850 elimcons2 851 comanblem1 852 mhlem 858 gomaex3lem1 894 oaidlem2 911 oaidlem2g 912 oa3-6lem 960 oa3-u1lem 965 oa3-u2lem 966 oa3-u1 971 oa3-u2 972 oadistc0 1001 |